Dept. of Soil Sciences. Michigan State University. Barry - Soil maps are proposed to be digitized in 1997. Aerial photography has been recompiled to USGS topo sheets. Calhoun - Soil maps were digitized from 1993 aerial photography in map sheet format and then rubbersheeted to form a complete matrix.
Rubbersheeted files are available.
This data has not been digitized to date. These data should be used in conjuction with soil survey maps. Kalamazoo Co., MI The U.S. Department of Agriculture , in cooperation with agricultural experiment stations, universities, and other federal and state agencies, have been making and publishing soil surveys since 1890. The NRCS also provide official descriptions of soil series taxa in the national system of classification. These descriptions primarily serve as specifications for identifying and classifying soils.