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#1 Federal

Cape Cod Bay: continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf, (32-bit GeoTIFF, UTM 19 NAD 83, NAVD 88 vertical datum).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

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Search relevance: 1.00 | Views last month: 6 | Catalog Last Checked: August 01, 2026 at 05:46 AM

#2 Federal

Nonattainment Area - Carbon Monoxide (CO - 1971 Standard)

Organization: Department of Transportation
Dataset Last Updated: July 25, 2026 at 12:00 AM

The Nonattainment Area - Carbon Monoxide (CO-1971) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:52 PM

#3 Federal

Nonattainment Area - Nitrogen Dioxide (NO2 - 1971 Standard)

Organization: Department of Transportation
Dataset Last Updated: July 25, 2026 at 12:00 AM

The Nonattainment Area - Nitrogen Dioxide (NO2-1971) dataset was updated on June 30, 2026 by the Environmental Protection Agency (EPA) and is part of the U.S. Department of Transportation...

Search relevance: 1.00 | Views last month: 4 | Catalog Last Checked: August 03, 2026 at 02:52 PM

#4 Federal

Cape Cod Bay: Polygon boundaries for source data of a continuous bathymetry and topography terrain model of the Massachusetts coastal zone and continental shelf: (Esri polygon shapefile, Geographic, NAD 83).

Organization: Department of the Interior
Dataset Last Updated: August 07, 2020 at 12:00 AM

Integrated terrain models covering 16,357 square kilometers of the Massachusetts coastal zone and offshore waters were built to provide a continuous elevation and bathymetry terrain model for...

xml
xml

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 05:22 AM

#5 Federal

1970's Mosaic of Aerial Photography of the Salt River Bay National Historical Park and Ecological Preserve

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 2004 at 12:00 AM

Aerial photographs taken by NOAA's National Geodetic Survey during 1977 and 1971 were mosaicked and orthorectified by the Biogeography Branch resulting in a single composite mosaic of both years...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 02, 2026 at 05:10 PM

#6 Federal

1970's Mosaic of Aerial Photography of the Salt River Bay National Historical Park and Ecological Preserve, St. Croix, USVI

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 2004 at 12:00 AM

Aerial photographs taken by NOAA's National Geodetic Survey during 1977 and 1971 were mosaicked and orthorectified by the Biogeography Program resulting in a single composite mosaic of both years...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 07:58 AM

#7 Federal

BLM ID Wild Horse and Burro (WHB) Herd Management Area (HMA)

Organization: Department of the Interior
Dataset Last Updated: June 12, 2026 at 09:28 PM

This data shows wild horse and burro herd areas in Idaho. Wild horses are managed in accordance with the Wild Free-Roaming Horse and Burro Act of 1971, which gives the Bureau of Land Management...

Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: August 01, 2026 at 03:50 AM

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