USGS Topographic Maps

Description:

Imagery derived from scans of U.S.G.S. minute quadrangle maps. The images form a set of seamless tile, 5,000 meters on a side, from which the map collar information was removed.

Data source:

Cornell University Geospatial Information Repository (CUGIR)

Vintage:

2000

Limitations:

This data has a high-level of accuracy and may be used to qualify (field verification advised) the location of features and as the reference layer for developing new spatial data layers.

Contact for more information:

Cornell University Geospatial Information Repository (CUGIR), http://cugir.mannlib.cornell.edu/