Upper Midwest Environmental Sciences Center
An element of the Upper Mississippi River Restoration - Environmental Management Program
and Transportation Data
Aquatic Features, Bathymetry, and Navigation Structures
- created by -
USGS - National Mapping Division
The transportation data are 1:100,000 scale USGS quadrangle data developed by the agency's National Mapping Division. The hydrology data were created from National Mapping Division hydrology data, though they have been modified to display tributaries of the Upper Mississippi River System (UMRS). If you require these data in their original format, contact the EROS Data Center. The files are available to download via. FTP, and regional CD-ROMs are also available.
named for 1:100,000-scale USGS quadrangles