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Displaying items 1 - 2 of 2
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1. National river recreation study data: a nationwide survey of river recreation use from 1977-1984

Author(s):
Cole, David N.

2. The changing Midwest assessment: data and shapefiles Data publication contains GIS data

Author(s):
Potts, Robert S.; Gustafson, Eric J.; Stewart, Susan I.; Thompson, Frank R.; Bergen, Kathleen; Brown, Daniel G.; Hammer, Roger; Radeloff, Volker; Bengston, David; Sauer, John; Sturtevant, Brian