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Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other federal lands collected as part of...

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Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 09:30 PM

#5 Federal

Digital Bedrock Geologic-GIS Map of the North, South, and Heritage Addition Units and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, EFMO_bedrock digital map) adapted from a Iowa Geological Survey Open-File Map by Witzke and Anderson (2006)

Organization: Department of the Interior
Dataset Last Updated: August 09, 2023 at 12:00 AM

The Digital Bedrock Geologic-GIS Map of the North, South, and Heritage Addition Units and Vicinity, Effigy Mounds National Monument, Iowa is composed of GIS data layers and GIS tables, and is...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: September 10, 2026 at 07:14 PM

#6 Federal

Field data for the Vegetation Mapping Inventory Project of Effigy Mounds National Monument - Open Format Data Package

Organization: Department of the Interior
Dataset Last Updated: February 05, 2022 at 12:00 AM

These data were converted from the originally delivered Microsoft Access PLOTs database from the Vegetation Mapping Inventory Project of Effigy Mounds National Monument. These comma-delimited...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: September 10, 2026 at 07:23 PM

#7 Federal

Hydrographic and Impairment Statistics Database: EFMO

Organization: Department of the Interior
Dataset Last Updated: July 29, 2026 at 12:00 AM

Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to the Government...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:12 PM

#8 Federal

Effigy Mounds National Monument Tract and Boundary Data

Organization: Department of the Interior
Dataset Last Updated: December 13, 2024 at 12:00 AM

These ESRI file geodatabases contain authoritative National Park Service tract and boundary geospatial data produced by the Land Resources Division. Regional cartographic staff at the Land...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: September 18, 2026 at 08:25 PM

#9 Federal

Digital Bedrock Geologic-GIS Map of the Sny Magill Unit and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, CLYT_bedrock digital map) adapted from a Iowa Geological and Water Survey Open-File Map by Witzke, Anderson, and Pope (2010)

Organization: Department of the Interior
Dataset Last Updated: August 09, 2023 at 12:00 AM

The Digital Bedrock Geologic-GIS Map of the Sny Magill Unit and Vicinity, Effigy Mounds National Monument, Iowa is composed of GIS data layers and GIS tables, and is available in the following...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: September 10, 2026 at 07:14 PM

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Administrative Boundaries Centroids of National Park System Units

National Park System Current Tract Polygons

20200110-DO-NOT-USE-Test-Copy-NGDAID-16-Administrative Boundaries of National Park System Units 9/30/2019 - National Geospatial Data Asset (NGDA) NPS National Parks Dataset-DO-NOT-USE

Total Mercury Concentrations in Dragonfly Larvae from U.S. National Parks (ver. 11.0, January 2026)

Digital Bedrock Geologic-GIS Map of the North, South, and Heritage Addition Units and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, EFMO_bedrock digital map) adapted from a Iowa Geological Survey Open-File Map by Witzke and Anderson (2006)

Field data for the Vegetation Mapping Inventory Project of Effigy Mounds National Monument - Open Format Data Package

Hydrographic and Impairment Statistics Database: EFMO

Effigy Mounds National Monument Tract and Boundary Data

Digital Bedrock Geologic-GIS Map of the Sny Magill Unit and Vicinity, Effigy Mounds National Monument, Iowa (NPS, GRD, GRI, EFMO, CLYT_bedrock digital map) adapted from a Iowa Geological and Water Survey Open-File Map by Witzke, Anderson, and Pope (2010)