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Maps based on Census of Agriculture from Center For Advanced Spatial Technologies of the University of Arkansas. Topics include farmland, range land, woodland, crop practice by crop. Includes citations from 1985 to the present. State of the Land from the Natural Resources Conservation Service includes wide variety of maps, publications, and data on land use topics such as agricultural productivity, cropland, grazing land, irrigation, land cover and use, private forest land, soil erosion, soil quality, water quality, wetlands, and other topics. The site provides access to a wide variety of research reports and data.