U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Breadcrumb

  1. Home

NOAA/WDS Paleoclimatology - Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States

This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Lake. The data include parameters of paleolimnology with a geographic location of Minnesota, United States Of America. The time period coverage is from 10382 to 23 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.

About this Dataset

Updated: 2024-02-22
Metadata Last Updated: 2025-11-18T13:00:28.542Z
Date Created: N/A
Data Provided by:
Dataset Owner: N/A

Access this data

Contact dataset owner Access URL
Table representation of structured data
Title NOAA/WDS Paleoclimatology - Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States
Description This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Lake. The data include parameters of paleolimnology with a geographic location of Minnesota, United States Of America. The time period coverage is from 10382 to 23 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.
Modified 2025-11-18T13:00:28.542Z
Publisher Name N/A
Contact N/A
Keywords Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean/Lake Records , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > pollen , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology , earth science > paleoclimate > paleolimnology > physical properties , earth science > paleoclimate > paleolimnology > population abundance , earth science > paleoclimate > paleolimnology > mineralogy , earth science > paleoclimate > paleolimnology > geochemistry , earth science > paleoclimate > paleolimnology > oxygen isotopes , What: density; Material: dry sediment , What: varve thickness; Material: null , What: age; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: feldspar group; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: sulfur; Material: sediment , What: magnesium; Material: sediment , What: sodium; Material: sediment , What: manganese; Material: sediment , What: chromium; Material: sediment , What: lanthanum; Material: sediment , What: molybdenum; Material: sediment , What: delta 13C; Material: organic matter , What: rhodochrosite; Material: sediment , What: carotenoid; Material: sediment , What: manganese oxide; Material: sediment , What: number of samples; Material: null , What: water content; Material: sediment , What: pollen; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: carbon; Material: sediment , What: titanium; Material: sediment , What: yttrium; Material: sediment , What: organic matter; Material: sediment , What: silicon dioxide; Material: sediment , What: depth at sample end; Material: null , What: varve thickness; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: cobalt; Material: sediment , What: nickel; Material: sediment , What: hydrogen index; Material: sediment , What: dolomite; Material: sediment , What: chlorophyll; Material: sediment , What: carotenoid; Material: sediment , What: iron(III) oxide; Material: sediment , What: identified diatom; Material: sediment , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: organic carbon; Material: sediment , What: boron; Material: sediment , What: barium; Material: sediment , What: lead; Material: sediment , What: delta 13C; Material: calcium carbonate , What: quartz; Material: sediment , What: potassium oxide; Material: sediment , What: depth at sample start; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: pollen; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: niobium; Material: sediment , What: feldspar group; Material: sediment , What: potassium; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: aluminum; Material: sediment , What: iron; Material: sediment , What: copper; Material: sediment , What: vanadium; Material: sediment , What: organic carbon; Material: sediment , What: delta 18O; Material: calcium carbonate , What: oxygen index; Material: sediment , What: carotenoid; Material: sediment , What: pollen; Material: null , What: pollen; Material: null , What: age; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: calcium carbonate; Material: sediment , What: zinc; Material: sediment , What: zirconium; Material: sediment , What: aragonite; Material: sediment , What: carbonate; Material: sediment , What: chlorophyll; Material: sediment , What: phosphorus pentoxide; Material: sediment , What: titanium dioxide; Material: sediment , What: silicon; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: age; Material: null , What: pollen; Material: null , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: identified diatom; Material: sediment , What: scandium; Material: sediment , What: strontium; Material: sediment , What: calcite; Material: sediment , What: aluminum oxide; Material: sediment , What: calcium oxide; Material: sediment , What: calcium; Material: sediment , What: phosphorus; Material: sediment , Continent > North America > United States Of America > Minnesota > Elk Lake > LATITUDE 45.86694 > LONGITUDE -95.80361 , DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce , geoscientificInformation
{
    "identifier": "noaa-lake-5491",
    "accessLevel": "public",
    "contactPoint": {
        "@type": "vcard:Contact",
        "fn": "Your contact point",
        "hasEmail": "mailto:[email protected]"
    },
    "programCode": [
        "010:000"
    ],
    "landingPage": "",
    "title": "NOAA\/WDS Paleoclimatology - Elk Lake, Minnesota: Evidence for Rapid Climate Change in the north central United States",
    "description": "This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology. The associated NCEI study type is Lake. The data include parameters of paleolimnology with a geographic location of Minnesota, United States Of America. The time period coverage is from 10382 to 23 in calendar years before present (BP). See metadata information for parameter and study location details. Please cite this study when using the data.",
    "language": "",
    "distribution": [
        {
            "@type": "dcat:Distribution",
            "mediaType": "application\/json",
            "accessURL": "https:\/\/www.ncei.noaa.gov\/metadata\/geoportal\/\/rest\/metadata\/item\/noaa-lake-5491"
        },
        {
            "@type": "dcat:Distribution",
            "mediaType": "text\/html",
            "accessURL": "https:\/\/www.ncei.noaa.gov\/metadata\/geoportal\/\/rest\/metadata\/item\/noaa-lake-5491\/html"
        },
        {
            "@type": "dcat:Distribution",
            "mediaType": "application\/xml",
            "accessURL": "https:\/\/www.ncei.noaa.gov\/metadata\/geoportal\/\/rest\/metadata\/item\/noaa-lake-5491\/xml"
        },
        {
            "@type": "dcat:Distribution",
            "mediaType": "application\/octet-stream",
            "accessURL": "https:\/\/www.ncei.noaa.gov\/pub\/data\/paleo\/webimages\/pc-default-lake.png"
        }
    ],
    "bureauCode": [
        "010:04"
    ],
    "modified": "2025-11-18T13:00:28.542Z",
    "publisher": {
        "@type": "org:Organization",
        "name": "Your Publisher"
    },
    "theme": "",
    "keyword": [
        "Earth Science > Climate Indicators > Paleoclimate Indicators > Ocean\/Lake Records",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > pollen",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology",
        "earth science > paleoclimate > paleolimnology > physical properties",
        "earth science > paleoclimate > paleolimnology > population abundance",
        "earth science > paleoclimate > paleolimnology > mineralogy",
        "earth science > paleoclimate > paleolimnology > geochemistry",
        "earth science > paleoclimate > paleolimnology > oxygen isotopes",
        "What: density; Material: dry sediment",
        "What: varve thickness; Material: null",
        "What: age; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: feldspar group; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: sulfur; Material: sediment",
        "What: magnesium; Material: sediment",
        "What: sodium; Material: sediment",
        "What: manganese; Material: sediment",
        "What: chromium; Material: sediment",
        "What: lanthanum; Material: sediment",
        "What: molybdenum; Material: sediment",
        "What: delta 13C; Material: organic matter",
        "What: rhodochrosite; Material: sediment",
        "What: carotenoid; Material: sediment",
        "What: manganese oxide; Material: sediment",
        "What: number of samples; Material: null",
        "What: water content; Material: sediment",
        "What: pollen; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: carbon; Material: sediment",
        "What: titanium; Material: sediment",
        "What: yttrium; Material: sediment",
        "What: organic matter; Material: sediment",
        "What: silicon dioxide; Material: sediment",
        "What: depth at sample end; Material: null",
        "What: varve thickness; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: cobalt; Material: sediment",
        "What: nickel; Material: sediment",
        "What: hydrogen index; Material: sediment",
        "What: dolomite; Material: sediment",
        "What: chlorophyll; Material: sediment",
        "What: carotenoid; Material: sediment",
        "What: iron(III) oxide; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: organic carbon; Material: sediment",
        "What: boron; Material: sediment",
        "What: barium; Material: sediment",
        "What: lead; Material: sediment",
        "What: delta 13C; Material: calcium carbonate",
        "What: quartz; Material: sediment",
        "What: potassium oxide; Material: sediment",
        "What: depth at sample start; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: niobium; Material: sediment",
        "What: feldspar group; Material: sediment",
        "What: potassium; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: aluminum; Material: sediment",
        "What: iron; Material: sediment",
        "What: copper; Material: sediment",
        "What: vanadium; Material: sediment",
        "What: organic carbon; Material: sediment",
        "What: delta 18O; Material: calcium carbonate",
        "What: oxygen index; Material: sediment",
        "What: carotenoid; Material: sediment",
        "What: pollen; Material: null",
        "What: pollen; Material: null",
        "What: age; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: calcium carbonate; Material: sediment",
        "What: zinc; Material: sediment",
        "What: zirconium; Material: sediment",
        "What: aragonite; Material: sediment",
        "What: carbonate; Material: sediment",
        "What: chlorophyll; Material: sediment",
        "What: phosphorus pentoxide; Material: sediment",
        "What: titanium dioxide; Material: sediment",
        "What: silicon; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: age; Material: null",
        "What: pollen; Material: null",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: identified diatom; Material: sediment",
        "What: scandium; Material: sediment",
        "What: strontium; Material: sediment",
        "What: calcite; Material: sediment",
        "What: aluminum oxide; Material: sediment",
        "What: calcium oxide; Material: sediment",
        "What: calcium; Material: sediment",
        "What: phosphorus; Material: sediment",
        "Continent > North America > United States Of America > Minnesota > Elk Lake > LATITUDE 45.86694 > LONGITUDE -95.80361",
        "DOC\/NOAA\/NESDIS\/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
        "geoscientificInformation"
    ]
}