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Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks collected as part of the Dragonfly Mercury Project (DMP). This data release supersedes Eagles-Smith, C.A., Nelson, S.J., Flanagan-Pritz, C.M., Willacker Jr., J.J., and Klemmer, A.J., 2018, Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 8.0, December 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9TK6NPT. Please contact fresc_outreach@usgs.gov for access.
Categories: Data, Data Release - Revised; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Amistad National Recreation Area, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, All tags...
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Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a citizen science framework.
Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Aquatic Biology, All tags...
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Album caption: Main street of Skagway, Alaska. Taken from the station platform. Handwritten notes on album caption: Broadway. SE Alaska Region, Skagway district. 1941. Index card: Main street on Skagway. Taken from the station platform. Skagway district, Southeastern Alaska region, Alaska. 1941. Additional information received by email from Karl Gurcke, Historian, National Park Service, Klondike Gold Rush National Historical Park, Skagway, AK, "I knew Mertie was in Skagway in 1941 based on dates in several other photos of his in your collection. The photo is by the way of Broadway looking north. This is the street that the White Pass & Yukon Route railroad ran up from 1898 to around 1943. We also have a...
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Exotic plant survey polygon data representing infested or non-infested areas including inventory, treatment, and monitoring efforts. Polygons generated from point and line features using a buffer distance entered in the field or data was collected as a polygon for large or irregular sized patches. Data collected by field personnel using mapping grade GPS and a statewide data collection protocol. INSTRUCTIONS FOR USE: see supplemental section on how to use this GeoDatabase.
Tags: AKRO, ANIA, Alaska, Alaska Region NPS Regional Office, Alien / Noxious Plants, All tags...


    map background search result map search result map AKR Exotic Plant Management (EPMT) Geodatabase Street car.  Skagway. Skagway district, Southeastern Alaska region, Alaska. 1941. Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023) Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 AKR Exotic Plant Management (EPMT) Geodatabase Street car.  Skagway. Skagway district, Southeastern Alaska region, Alaska. 1941. Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 9.0, November 2023)