Soil survey of Rockingham County, N.C. /
United States Department of Agriculture, Bureau of Chemistry and Soils ; in cooperation with the North Carolina Department of Agriculture and the North Carolina Agricultural Experiment Station.

APA Citation

Davis, W. A. (William Anderson)., Jurney, R. C. (Robert Campbell)., North Carolina Agricultural Research Service., North Carolina. Dept. of Agriculture., United States. Bureau of Chemistry and Soils. (1930). Soil survey of Rockingham County, N.C.. Washington, D.C.: The Bureau .

MLA Citation

United States. Bureau of Chemistry and Soils, et al.. Soil Survey of Rockingham County, N.C.. Washington, D.C.: The Bureau , 1930.

Warning: These citations may not always be complete (especially for serials).