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Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Agricultural Drainage
U.S. Environmental Protection Agency —
This dataset represents % of land with agricultural drainage, described in DOI: 10.1016/j.scitotenv.2020.137661, within individual, local NHDPlusV2 catchments and... -
State
MD iMAP: Maryland Annual Average Daily Traffic - Annual Average Daily Traffic (SHA Statewide AADT Lines)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Traffic monitoring data is a strategic resource for SHA and Maryland's... -
Federal
Extreme Water Levels from CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
Extremely high or low water levels at coastal locations are an important public concern and a factor in coastal hazard assessment, navigational safety, and ecosystem... -
State
MD iMAP: Maryland Long Term Care Assisted Living - Long Term Care
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. OP&R organizes and prepares for public health and medical emergencies... -
State
MD iMAP: Maryland Watersheds - 8 Digit Watersheds
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSUB8) is a statewide digital watershed file. It depicts the... -
Federal
EnviroAtlas Green Space Proximity Gradient Web Service
U.S. Environmental Protection Agency —
This EnviroAtlas web service supports research and online mapping activities related to EnviroAtlas (https://www.epa.gov/enviroatlas). In any given 1-square meter... -
Federal
BLM Natl MLRS Mineral Materials
Department of the Interior —
This dataset contains mineral materials cases derived from Legal Land Descriptions (LLD) contained in the US Bureau of Land Management's, BLM, Mineral and Land Record... -
Federal
NOAA Operational Forecast System-Related Guidance Products for Waterborne Pathogens in the Chesapeake Bay
National Oceanic and Atmospheric Administration, Department of Commerce —
The presence of Vibrio vulnificus (Vv), a naturally-occurring bacteria that can be harmful to human health, is related to temperature and salinity. Vv forecasts for... -
Federal
Trackline navigation for EG&G Uniboom seismic-reflection data collected by the U.S. Geological Survey during field activities 1974-004-FA and 1975-003-FA offshore of the Delmarva Peninsula (polyline shapefiles)
Department of the Interior —
Geologic structure and isopach maps were constructed by interpreting over 19,890 trackline kilometers of co-located multichannel boomer, sparker and chirp seismic... -
Federal
Upper Freeport Coal Bed Resource Areas in Pennsylvania, Ohio, West Virginia, and Maryland
Department of the Interior —
This dataset is the digital compilation of geologic and resource maps provided mostly by State geologic surveys and depicts the projected area of occurrence of the... -
State
MD iMAP: Maryland Census Designated Areas - Census Designated Places 2010
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The TIGER/Line Files include both incorporated places (legal entities) and census... -
Federal
EPA Facility Registry Service (FRS): ER_FRP
U.S. Environmental Protection Agency —
This dataset contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to Facility... -
Federal
Sentinel-1 and Sentinel-2 based frequency of open and vegetated water across the United States (2017-2021)
Department of the Interior —
High-frequency observations of surface water at fine spatial scales are critical to effectively manage aquatic habitat, flood risk and water quality. We developed... -
Federal
EnviroAtlas - Water Balance and Surficial Groundwater by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset summarizes several U.S. Geological Survey (USGS) water budget and surficial groundwater datasets by 12-digit HUC. It includes average rates... -
Federal
Air Gap Data from CO-OPS
National Oceanic and Atmospheric Administration, Department of Commerce —
The Center for Operational Oceanographic Products and Services (CO-OPS) of the National Ocean Service (NOS), an organizational element of NOAA, operates and maintains... -
Federal
Educational Institutions, US, 2015, ORNL, SEGS
U.S. Environmental Protection Agency —
This SEGS web service contains the following layers: Colleges and Universities, Supplemental Colleges, Private Schools, Public Schools and Day Care Centers . Colleges... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: 2010 US Census Road Density
U.S. Environmental Protection Agency —
This dataset represents the road density within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the landscape layer were... -
Federal
Hestia Fossil Fuel Carbon Dioxide Emissions Inventory for Urban Regions
National Institute of Standards and Technology —
Hestia Fossil Fuel Carbon Dioxide Emissions Inventory for Urban Regions (Hestia FFCO2) provides data products for Los Angeles Basin, Northeast corridor, Indianapolis,... -
Federal
H09759: NOS Hydrographic Survey , Little Gull and Great Gull Banks, Maryland, 1978-10-04
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
TIGER/Line Shapefile, 2022, State, Maryland, Topological Faces-Area Landmark Relationship File
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master...