Four reference soil and rock samples for measuring element availability in the western energy regions
By: by J.G. Crock and R.C. Severson
Contributors: Severson, R. C. 1945-; Geological Survey (U.S.)
Series: Geological Survey circular -- 841
Publisher: U.S. Dept. of the Interior, Geological Survey; Free on application to the Branch of Distribution, U.S. Geological Survey
Published: 1980
Place of publication: [Reston, Va.]; Alexandria, VA
Language: eng
Number of pages: 16
Subjects: Soils -- West (U.S.) -- Analysis
Notes: Bibliography: p. 16