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University
National Park Boundaries
Earth Data Analysis Center, University of New Mexico —
National Park Service unit boundaries. -
Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
University
New Mexico Federal Lands
Earth Data Analysis Center, University of New Mexico —
This map layer consists of federally owned or administered lands of the United States, Puerto Rico, and the U.S. Virgin Islands. Only areas of 640 acres or more are... -
Federal
U.S. Geological Survey East Coast Sediment Texture Database (2014, ECSTDB2014.SHP)
Department of the Interior —
This sediment database contains location, description, and texture of samples taken by numerous marine sampling programs. Most of the samples are from the Atlantic... -
Federal
Elevation of marsh units in Massachusetts salt marshes
Department of the Interior —
This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management.... -
Federal
HATTERAS_TRANSECTS: Hatteras Island shoreline transects and shoreline change rate calculations: Oregon Inlet to Cape Hatteras Point, North Carolina (geographic, WGS84).
Department of the Interior —
The shoreline of Cape Hatteras, North Carolina, is experiencing long-term coastal erosion. In order to better understand and monitor the changing coastline,... -
Federal
Static chamber fluxes of carbon dioxide and methane from Phragmites wetlands and supporting data collected across a salinity gradient on Cape Cod, Massachusetts
Department of the Interior —
Saline tidal wetlands are important sites of carbon sequestration and produce negligible methane (CH4) emissions due to regular inundation with sulfate-rich seawater.... -
Federal
Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 10.0, January 2025)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other... -
Federal
1-meter sidescan-sonar mosaic image collected by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA in 2014 (GeoTIFF, UTM Zone 18N, WGS 84)
Department of the Interior —
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological Survey... -
Federal
JPEG images of chirp seismic data from inner shelf U.S. Geological Survey research cruise 2001-005-FA collected by the U.S. Geological Survey
Department of the Interior —
The northeastern North Carolina coastal system, from False Cape, Virginia, to Cape Lookout, North Carolina, has been studied by a cooperative research program that... -
Federal
Aerial Imagery of the Massachusetts Cape Cod coast: 2023-11-04
Department of the Interior —
The U.S. Geological Survey (USGS) Remote Sensing Coastal Change (RSCC) project collects aerial imagery along coastal swaths with optimized endlap/sidelap and precise... -
Federal
Cape Cod National Seashore (CACO) Shoreline Position Change Monitoring Data Package - 1994-2025
Department of the Interior —
These data represent a series of mean high-water shorelines collected at Cape Cod National Seashore (CACO), appended into one spatial dataset. The features have been... -
Federal
RAW sound velocity profile data from a Minos X collected from outer Cape Cod, Massachusetts during USGS Field Activity 2021-004-FA (PNG images, SVP text, and point shapefile, GCS WGS 84)
Department of the Interior —
The U.S. Geological Survey (USGS) Woods Hole Coastal and Marine Science Center (WHCMSC) completed a bathymetric and shallow seismic-reflection survey during the... -
Federal
Unvegetated to vegetated ratio of marsh units in Massachusetts salt marshes
Department of the Interior —
This data release contains coastal wetland synthesis products for Massachusetts, developed in collaboration with the Massachusetts Office of Coastal Zone Management.... -
Federal
5-meter bathymetric data collected in 2014 by the U.S. Geological Survey along the Delmarva Peninsula, MD and VA (32-bit GeoTIFF, UTM Zone 18N, WGS 84)
Department of the Interior —
The Delmarva Peninsula is a 220-kilometer-long headland, spit, and barrier island complex that was significantly affected by Hurricane Sandy. A U.S. Geological Survey... -
Federal
Digital Geologic Map of the Marin Headlands and Point Reyes Areas, California (NPS, GRD, GRI, GOGA, PORE, MUWO, MHPR digital map)
Department of the Interior —
The Digital Geologic Map of the Marin Headlands and Point Reyes Areas, California is composed of GIS data layers complete with ArcMap 9.3 layer (.LYR) files, two... -
Federal
Unpublished Digital Geomorphic Map of the Shackleford Banks, North Carolina (NPS, GRD, GRI, CALO, SHKB digital map) adapted from a East Carolina University unpublished report and GIS data map by Riggs, Ames and Mallinson (2015)
Department of the Interior —
The Unpublished Digital Geomorphic Map of the Shackleford Banks, North Carolina is composed of GIS data layers and GIS tables in a 10.1 file geodatabase... -
Federal
10-meter swath bathymetric grid collected by the U.S. Geological Survey offshore of Fire Island, NY in 2011 (UTM Zone 18N, WGS 84, Esri Binary Grid, FI_BATHYGRD)
Department of the Interior —
The U.S. Geological Survey (USGS) mapped approximately 336 square kilometers of the lower shoreface and inner-continental shelf offshore of Fire Island, New York in... -
Federal
Cape Cod National Seashore Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources... -
Federal
Range position and climate sensitivity: the structure of among-population demographic responses to climatic variation
Department of the Interior —
This data set is comprised of four files related to the counts of wood frog (Lithobates sylvaticus) egg masses in the Northeast United States and climatic information...