Soil survey, Loudoun County, Virginia
[by H. C. Porter and others. Correlation by W. E. Hearn and W. S. Ligon.
APA Citation
Porter, H. C. (Hobart Clarke)., Virginia Agricultural Experiment Station., United States. Soil Conservation Service. (1960). Soil survey, Loudoun County, Virginia. Washington, D.C.]: U. S. Dept. of Agriculture, Soil Conservation Service.
MLA Citation
Porter, H. C. (Hobart Clarke), 1908-, Virginia Agricultural Experiment Station, and United States. Soil Conservation Service. Soil Survey, Loudoun County, Virginia. Washington, D.C.]: U. S. Dept. of Agriculture, Soil Conservation Service, 1960.
Warning: These citations may not always be complete (especially for serials).