3,105 datasets found
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Federal
EnviroAtlas - Baltimore, MD - Estimated Percent Tree Cover Along Walkable Roads
U.S. Environmental Protection Agency —
This EnviroAtlas dataset estimates tree cover along walkable roads. The road width is estimated for each road and percent tree cover is calculated in a 8.5 meter... -
Federal
EnviroAtlas - Above Ground Live Tree Biomass Carbon Storage by 12-Digit HUC for the Conterminous United States - Forested
U.S. Environmental Protection Agency —
This EnviroAtlas dataset includes the sum of aboveground live dry biomass estimate by 12-digit Hydrologic Unit (HUC) in total metric tons (megagrams) from the 2000... -
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... -
Federal
Natural Gas Compositional Analyses Dataset of Gases from United States Wells
Department of the Interior —
This dataset provides national location information for publicly available natural gas geochemistry data reported in mol%. The data were collected from the U.S.... -
Federal
Demographics for US Census Tracts - 2010 (American Community Survey 2006-2010 Derived Summary Tables)
U.S. Environmental Protection Agency —
This map service displays data derived from the 2006-2010 American Community Survey (ACS). Values derived from the ACS and used for this map service include: Total... -
State
MD iMAP: Maryland Protected Lands - Local Protected Lands
State of Maryland —
This data illustrates parcels subject to some type of preservation easement as well as properties owned by federal, state, and local governments. In addition,... -
Federal
TIGER/Line Shapefile, Current, State, Maryland, Unified School Districts
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... -
State
MD iMAP: Maryland Geology - Physiographic Provinces
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This data layer contains the Province-level physiographic subdivisions of... -
Federal
US EPA Nonattainment Areas and Designations-PM10 (1987 NAAQS)
U.S. Environmental Protection Agency —
This web service contains the following layer: PM10 Nonattainment Areas (1987 NAAQS). Full FGDC metadata records for each layer may be found by clicking the layer... -
Federal
EnviroAtlas - 2011 Land Cover, Impervious Surface, and Riparian Land Cover Proportions by County for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset represents land cover across a county and in riparian areas for each county in the conterminous United States for use in the Compare my Area... -
State
Choose Maryland: Compare Counties - Workforce
State of Maryland —
Workforce summary - employment, unemployment, participation rates, earnings, establishments. Data is updated and various times and is used to power the Dept. of... -
Federal
Master earthquake catalog composed of pre-existing source catalogs
Department of the Interior —
The U. S. Geological Survey (USGS) makes long-term seismic hazard forecasts that are used in building codes. The hazard models usually consider only natural... -
State
Choose Maryland: Compare Counties - Taxes
State of Maryland —
Taxation - income tax, property tax, exemptions, enterprise zones. -
State
MD iMAP: Maryland Protected Lands - DNR Owned Properties and Conservation Easements
State of Maryland —
This is a MD iMAP hosted service. Find more information at http://imap.maryland.gov. The Maryland Department of Natural Resources (DNR) manages over 446 - 000 acres... -
Federal
Wildlife Health Information Sharing Partnership-event reporting system (WHISPers)
Department of the Interior —
WHISPers stands for Wildlife Health Information Sharing Partnership - event reporting system. It is a web-based repository for sharing basic information about... -
Federal
EPA Facility Registry Service (FRS): ER_TRI
U.S. Environmental Protection Agency —
This web feature service contains location and facility identification information from EPA's Facility Registry System (FRS) for the subset of facilities that link to... -
State
MD iMAP: Maryland Bathymetry - Chesapeake Bay Contours
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Bathymetry for Chesapeake Bay was derived from two hundred ninety-seven... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: National Land Cover Database - Impervious Surfaces
U.S. Environmental Protection Agency —
This dataset represents data derived from the NLCD dataset and the National Hydrography Dataset version 2.1(NHDPlusV2) (see Data Sources for links to NHDPlusV2 data... -
Federal
EPA Facility Registry Service (FRS): 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 are active oil...
3,105 datasets found