This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon boundaries of lakes (generalized shape) in Maryland. Last Updated: Feature...

It is derived from the Connecticut Route Segments layer, which is based on spatial information from the U.S. Bureau of Census that was published for Connecticut by the...

NLCD 1992, NLCD 2001, and NLCD 2006 are National Land Cover Database classification schemes based primarily on Landsat data along with ancillary data sources, such as...

The LANDFIRE fuel data describe the composition and characteristics of both surface fuel and canopy fuel. Specific products include fire behavior fuel models, canopy bulk...

These images display asteriods documented and approved by the International Astronomical Union (IAU).

Healthy rivers provide important ecosystem services such as water for drinking or irrigation, water quality improvement, flood control, transportation, recreation, and habitat...

DATA SUMMARY: LANDFIRE (LF) disturbance data are developed to provide temporal and spatial information related to landscape change and subsequent updates to LF vegetation, fuel...

LANDFIRE's (LF) Image Services can be accessed here. FRG definitions have been altered from previous applications to best approximate the definitions outlined in the...

https://energy.usgs.gov/OilGas/AssessmentsData/NationalOilGasAssessment.aspx.

Beach erosion is a chronic problem along most open-ocean shores of the United States. As coastal populations continue to grow, and community infrastructures are threatened by...

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...

From the site: "MRDS is a collection of reports describing metallic and nonmetallic mineral resources throughout the world. Included are deposit name, location, commodity,...

From the National Geologic Map Database site: "Geology of the Whitley City quadrangle, Kentucky and the Kentucky part of the Winfield quadrangle"

From the National Geologic Map Database site: "Geology of the Ewing quadrangle, Kentucky and Virginia"

PDF and shapefile maps and data depicting the coal fields of the conterminous United States. Includes coal production data, coal type rankings, coal ages, and other information.

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...

From the site: “The Geologic Atlas of the United States is a set of 227 folios published by the U.S. Geological Survey between 1894 and 1945. Each folio includes both...

From the site: "The National Archive of Marine Seismic Surveys (NAMSS) is a marine seismic reflection profile data archive consisting of data acquired by or contributed to U.S....