USGS

Layers


Projection: Geographic NAD 83

Products Description: Information regarding these products is updated daily from the Geospatial Data Architecture (GDA) and the Assignment Management System (AMS).  
Digital Orthophoto Quadrangle Digital Orthophoto Quadrangle (DOQ) in 3.75 Minute and 7.5 Minute Format Metadata
Digital Elevation Model Digital Elevation Model (DEM) in 7.5 Minute, 15 Minute and 100K (30 X 60 Minute) Format Metadata
Digital Raster Graphic Digital Raster Graphic (DRG) in 7.5 Minute, 15 Minute and 100K (30 X 60 Minute) Format Metadata
Digital Line Graph Digital Line Graph (DLG) in 7.5 Minute, 15 Minute and 100K (30 X 60 Minute) Format Metadata
National Hydrography Database National Hydrography Database (NHD), Medium, High, and Local Resolution Status by subbasin Metadata
Base Maps Description: These layers come from The National Map  
Cities Cities in the United States (Scale: 25 mil) Metadata
Counties Counties in the United States (Scale: 2 mil) Metadata
Counties Counties in the United States (Scale: 100K ) Metadata
States North American State and Province Boundaries (Scale: 15 mil) Metadata
States North American State and Province Boundaries (Scale: 1 mil) Metadata
Countries World Wide Country Boundaries Metadata
30 Degree Grid 30 Degree Latitude/Longitude Grid with Blue Background Metadata
DOQ Digital Orthophoto Quadrangles from TerraServer USA Metadata
DRG Digital Raster Graphics from TerraServer USA Metadata
USGS NED USGS National Elevation Dataset Metadata
Quadrangles Description: These layers come from the Geographic Names Information System (GNIS), Geographic Cell Names DataBase (GCNDB)  
Indexes Indexes for 7.5 Minute, 15 Minute, and 100K (30 X 60 Minute) Quadranges, sometimes called cells Metadata