Soil survey of Rockingham County, North Carolina /
United States Department of Agriculture, Soil Conservation Service ; in cooperation with North Carolina Department of Environment, Health, and Natural Resources [and others]
APA Citation
Sherrill, M. L., United States. Soil Conservation Service. (1992). Soil survey of Rockingham County, North Carolina. [Washington, D.C.?]: The Service.
MLA Citation
Sherrill, Michael L, and United States. Soil Conservation Service. Soil Survey of Rockingham County, North Carolina. [Washington, D.C.?]: The Service, 1992.
Warning: These citations may not always be complete (especially for serials).