3,101 datasets found
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Federal
Aerial Photography 2004, Color Infrared National Capital Parks-East
Department of the Interior —
This color infrared imagery covers the area in and around the National Capital Parks-East (NACE). The photographs were taken in 2004 and published in 2006.... -
Federal
Shoreline Data Rescue Project of St. Marys River, MD, EC10B04 NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of St. Marys River, MD suitable as a geographic information system (GIS) data... -
State
MD COVID-19 - MASTER Case Tracker
State of Maryland —
Note:This dataset represents archived records covering the period from March 2020 through October 2025. The most recent dataset, containing data from October 2025 to... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Pesticide
U.S. Environmental Protection Agency —
This dataset represents the pesticide use within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were... -
Federal
Hazard curve data for annual rate of exceedance versus 0.2-second spectral response acceleration
Department of the Interior —
A one-year seismic hazard forecast for the Central and Eastern United States, based on induced and natural earthquakes, has been produced by the U.S. Geological... -
Federal
2023 Cartographic Boundary File (SHP), Place for Maryland, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2023 cartographic boundary shapefiles are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File /... -
Federal
EnviroAtlas - Average Annual Sediment Yield to the Nearest Waterbody Avoided due to Vegetation (Scaled) for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual sediment yield in metric tons per hectare*10,000 to the nearest waterbody from each pixel avoided due to... -
Federal
Point Shapefile of All the Unique Seismic Shot Point Navigation Collected in the Potomac River/Chesapeake Bay from Sept. 6, 2006 to Sept. 8, 2006 on USGS Cruise 06018 (ALLSHOTS_GEOG.SHP)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Social Vulnerability Index (SoVI) for Maryland based on 2000 Census Block Groups
National Oceanic and Atmospheric Administration, Department of Commerce —
This data depicts the social vulnerability of Maryland census block groups to environmental hazards. Data were culled primarily from the 2000 Decennial Census. -
State
MD iMAP: Maryland Sport Venues - Disc Golf
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Maryland Sports (http://www.marylandsports.us/) has identified sport venues... -
Federal
Point Shapefile of 100 Shot Interval Point Navigation For Seismic Data Collected in the Potomac River/Chesapeake Bay from Sept. 6, 2006 to Sept. 8, 2006 on USGS Cruise 06018 (SHOT100SORT_GEOG.SHP)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
1996 Fall East Coast NOAA/NASA Airborne LiDAR Assessment of Coastal Erosion (ALACE) Project for the US Coastline
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set includes data collected from 1996-2000 and covers the states of South Carolina, North Carolina, Maryland, and Virginia. Laser beach mapping uses a... -
Federal
U.S. Conterminous Wall-to-Wall Anthropogenic Land Use Trends (NWALT), 1974-2012
Department of the Interior —
This dataset provides a U.S. national 60-m, 19-class mapping of anthropogenic land uses for five time periods: 1974-1982-1992-2002-2012. The 2012 dataset is based on... -
Federal
National Status and Trends, Benthic Surveillance Project Fluorescent Aromatic Compounds (FAC) Data, 1984-1991, National Centers for Coastal Ocean Science
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Status and Trends (NSandT) Benthic Surveillance Fluorescent Aromatic Compounds (FAC) file reports the trace concentrations of Fluorescent Aromatic... -
Federal
Processed Continuous Resistivity Profile Data Collected in the Potomac River/Chesapeake Bay on Sept. 7, 2006
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Processed Continuous Resistivity Profile Data Collected in the Corsica River Estuary, Maryland on May 15, 2007 on USGS Cruise 07005
Department of the Interior —
Submarine groundwater discharge (SGD) into Maryland's Corsica River Estuary was investigated as part of a larger study to determine the importance of nutrient... -
Federal
Processed Continuous Resistivity Profile Data Collected in the Potomac River/Chesapeake Bay on Sept. 6, 2006
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
ASIS2003_EAARLA_BE_z18_n88g99_mosaic_metadata: EAARL Coastal Topography--Northern Assateague Island National Seashore, Maryland and Virginia, 2003: Bare Earth
Department of the Interior —
A bare-earth topography Digital Elevation Model (DEM) mosaic for the northern half of Assateague Island National Seashore was produced from remotely sensed,... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Road and Stream Intersections
U.S. Environmental Protection Agency —
This dataset represents the density of road and stream crossings within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment... -
Federal
The LakeCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Base Flow Index
U.S. Environmental Protection Agency —
This dataset represents the base flow index values within individual local and accumulated upstream catchments for NHDPlusV2 Waterbodies. Catchment boundaries in...
3,101 datasets found