The soil in relation to its parent material and environment
By: [by A.H. Joel] ; Hugh G. Calkins, regional conservator
Contributors: Calkins, Hugh G.; United States. Soil Conservation Service. Region Eight
Series: Regional bulletin -- no. 25; Soil series -- no. 4; Regional bulletin (United States. Soil Conservation Service) -- no. 25.; Soil series (United States. Soil Conservation Service) -- no. 4.
Publisher: U.S. Dept.of Agriculture, Soil Conservation Service, Region Eight
Published: 1938
Place of publication: Albuquerque, N.M
Language: eng
Subjects: Soils; Composition
Notes: Cover title.

"September 12, 1938."

"Hugh G. Calkins, Regional Conservator."