MIT Libraries logo

Search Constraints

Number of results to display per page

Search Results

1. USGS 1:24,000 Topographic Quadrangle Series Index, 2010

2010. Environmental Systems Research Institute (Redlands, Calif.) and Geological Survey (U.S.). This polygon shapefile represents the geographic extent of USGS 1:24,000 topographic maps (7.5- by 7.5-minute quadrangles) for the coterminous U.S.... Environmental Systems Research Institute (Redlands, Calif.).