Soil survey of Piedra area, Colorado, parts of Archuleta, Hinsdale, La Plata, Mineral, and Rio Grande counties.
Contributors: United States. Soil Conservation Service.; United States. Forest Service.; Colorado Agricultural Experiment Station.
Publisher: U.S. Dept. of Agriculture, Soil Conservation Service
Published: 1981
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 97
Subjects: Soils -- Colorado -- Piedra River Region -- Maps.; Soil surveys -- Colorado -- Piedra River Region.
Other titles: Piedra area, Colorado.
Notes: Bibliography: p. 53.
Cover title.
"United States Department of Agriculture, Soil Conservation Service and Forest Service in cooperation with Colorado Agricultural Experiment Station."
"Issued April 1981"--P. iii.
Item 102-B-6