United States. Soil Conservation Service & New Hampshire Agricultural Experiment Station. (1994). Soil survey of Rockingham County, New Hampshire. The Service.
Chicago Style (17th ed.) CitationUnited States. Soil Conservation Service and New Hampshire Agricultural Experiment Station. Soil Survey of Rockingham County, New Hampshire. [Washington, D.C.?]: The Service, 1994.
MLA (9th ed.) CitationUnited States. Soil Conservation Service and New Hampshire Agricultural Experiment Station. Soil Survey of Rockingham County, New Hampshire. The Service, 1994.
Warning: These citations may not always be 100% accurate.