Soil survey of Armstrong County, Pennsylvania
By: [by George D. Martin] ; United States Department of Agriculture, Soil Conservation Service, in cooperation with the Pennsylvania State University, College of Agriculture and the Pennsylvania Department of Environmental Resources, State Conservation Commission.
Contributors: United States. Soil Conservation Service.; Pennsylvania State University. College of Agriculture.; Pennsylvania. State Conservation Commission.
Publisher: The Service
Published: 1977
Place of publication: [Washington]
Language: eng
Number of pages: 73
Subjects: Soils -- Pennsylvania -- Armstrong County -- Maps.; Soil surveys -- Pennsylvania -- Armstrong County.
Notes: Bibliography: p. 71-72.
Cover title.