Memberships [ 1 ] [+]
Activity Stream [+]
Ideas Contributed [ 3 ] [+]
http://bit.ly/m97DmX This multi-scale geologic map service is a partial representation of the digital data for the Geologic Map of North America. Geologic units and faults, clipped to the terrestrial extent of North America, are represented here. The major divisions of geologic time (stratigraphic age) are represented with the RGB equivalent of the CMYK color specifications presented in the FGDC Digital Cartographic ...more »
http://bit.ly/kHLJvX This map uses The National Map base map from the USGS to shows the Soil Survey Geographic (SSURGO) by the United States Department of Agriculture’s Natural Resources Conservation Service. It also shows data that was developed by the National Cooperative Soil Survey and supersedes the State Soil Geographic (STATSGO) dataset published in 1994. SSURGO digitizing duplicates the original soil survey maps. ...more »
This map uses The National Map services from the USGS for the base map, and a service with the 2001 National Land Cover Dataset. The National Map base map services are published by The National Map, while the NLCD service was published by ESRI using USGS data.