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Federal
H02434: NOS Hydrographic Survey
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
H02884: NOS Hydrographic Survey
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
Raw Foraminiferal Data for Chincoteague Bay and the Marshes of Assateague Island and the Adjacent Vicinity, Maryland and Virginia- Spring 2014
Department of the Interior —
Foraminiferal samples were collected from Chincoteague Bay, Newport Bay, and Tom’s Cove as well as the marshes on the back-barrier side of Assateague Island and the... -
Federal
Normalized Foraminiferal Data for Chincoteague Bay and the Marshes of Assateague Island and the Adjacent Vicinity, Maryland and Virginia- Fall 2014
Department of the Interior —
Foraminiferal samples were collected from Chincoteague Bay, Newport Bay, and Tom’s Cove as well as the marshes on the back-barrier side of Assateague Island and the... -
State
MD iMAP: 2002 Maryland Legislative Districts
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. This is a map service of archived political districts in the state of Maryland.... -
Federal
ASIS GPS Shorelines
Department of the Interior —
These data represent a series of mean high water shorelines collected at Assateague Island National Seashore (ASIS), appended into one file geodatabase. The features... -
Federal
2010 Maryland USACE Lidar-Derived Dune Crest, Toe and Shoreline
Department of the Interior —
The Storm-Induced Coastal Change Hazards component of the National Assessment of Coastal Change Hazards project focuses on understanding the magnitude and variability... -
Federal
The State Geologic Map Compilation (SGMC) Geodatabase of the Conterminous United States
Department of the Interior —
The State Geologic Map Compilation (SGMC) geodatabase of the conterminous United States (https://doi.org/10.5066/F7WH2N65) represents a seamless, spatial database of... -
Federal
Blacklegged tick nymph densities, tickborne pathogen prevalence, and white-tailed deer densities in eight national parks in the eastern United States from 2014-2022
Department of the Interior —
The data presented here are blacklegged tick nymph densities, white-tailed deer densities, and Borrelia burgdorferi (causative agent of Lyme disease) prevalences for... -
Federal
GIS, supplemental data table, and references for focus areas of potential domestic resources of 13 critical minerals in the United States and Puerto Rico—antimony, barite, beryllium, chromium, fluorspar, hafnium, helium, magnesium, manganese, potash, uranium, vanadium, and zirconium
Department of the Interior —
In response to Executive Order 13817 of December 20, 2017, the U.S. Geological Survey (USGS) coordinated with the Bureau of Land Management (BLM) to identify 35... -
State
MD iMAP: Maryland SSURGO Soils - SSURGO Soils
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. userdata and unzip the LayerFiles.zip folder.Data from the four SSURGO... -
Federal
EnviroAtlas - Baltimore, MD - Greenspace Around Schools by Block Group
U.S. Environmental Protection Agency —
This EnviroAtlas data set shows the number of schools in each block group in the EnviroAtlas community boundary as well as the number of schools where less than 25%... -
Federal
EnviroAtlas - National Inventory of Dams for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset is a summary of the National Dams Inventory data from 2009 survey. The file contains counts of inventoried dams by 12-digit hydrologic units... -
Federal
EnviroAtlas - 2011 Agricultural Land Cover on Steep Slopes for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage land area that is classified as agricultural land cover that occurs on slopes above a given threshold for each... -
Federal
EnviroAtlas - Native Freshwater Aquatic Biodiversity by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset describes the native freshwater aquatic biodiversity by 12-digit HUC (subwatershed) for the conterminous United States. It includes... -
Federal
EnviroAtlas - 2016 Percent Tree Canopy Cover by 12-digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents the percentage of land area within each 12-digit hydrologic unit code (HUC) in the conterminous United States (CONUS) that is... -
Federal
EnviroAtlas - NatureServe Analysis of Imperiled or Federally Listed Species by HUC-12 for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes analysis by NatureServe of species that are Imperiled (G1/G2) or Listed under the U.S. Endangered Species Act (ESA) by 12-digit... -
Federal
EnviroAtlas -- Cyanobacteria Index for the Continental United States
U.S. Environmental Protection Agency —
This dataset shows the temporal frequency and spatial extent of cyanobacteria cells in large, freshwater lakes and reservoirs across the continental United States... -
Federal
EnviroAtlas - Baltimore, MD - Meter-Scale Urban Land Cover (MULC) Data
U.S. Environmental Protection Agency —
The Baltimore, MD EnviroAtlas Meter-scale Urban Land Cover (MULC) dataset comprises 4,545 km2 around the city of Baltimore and portions of surrounding counties. These... -
Federal
TIGER/Line Shapefile, Current, State, Maryland, Place
U.S. Census Bureau, Department of Commerce —
This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information...