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ILLINOIS/MISSOURI Illinois Natural
Resources Geospatial Data Clearinghouse This site is a gateway to GIS data and imagery for Illinois. Available data sets and documentation (metadata) include: geology; water resources; nature preserves; wildlife areas; land use; political boundaries; roads; census information; Public Land Survey; Digital Raster Graphics files; and 1998/99 Digital Orthophoto Quarter Quadrangles. A Metadata search online is also now available. Illinois Watershed Management
Clearinghouse This site contains a web based mapping system for Illinois
watersheds. Links to external data providers dealing with the subject of
water and watersheds are also provided. This site contains online surveys, map room, and data
downloads for soil information in Missouri. Missouri River InfoLink : A Clearinghouse
of Missouri River Information Missouri River InfoLink connects to Missouri River information,
aerial photographs, maps, and data. Included are : environmental assessment
reports; basin-wide maps; USGS 1:100,000 quadrangle maps; and 1894 Missouri
River Commission maps! Also available are statistical tables with county data
on agriculture and agricultural products sales, and values. Missouri Spatial
Data Information Service The Missouri Spatial Data Information Service provides
geographic information systems and census data about the state of Missouri to
the public by way of anonymous FTP and this World Wide Web site. Missouri's Rivers
and their Watersheds This site has been established to provide natural resource
related information specific to Missouri's primary watersheds. The state's
watersheds are often indexed in one of two ways, either with the USGS 8-digit
hydrologic unit listing or the primary watershed delineation used by the
Missouri Department of Conservation.
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