Selenium, fluorine, and arsenic in surficial materials of the conterminous United States
By: by Hansford T. Shacklette, Josephine G. Boerngen, and John R. Keith.
Contributors: Boerngen, Josephine G., joint author.; Keith, John R., joint author.
Series: Geological Survey circular 692; Geological Survey circular ;; 692.
Publisher: [U.S. Dept. of the Interior, Geological Survey]
Published: 1974
Place of publication: Washington
Language: eng
Number of pages: 14
Subjects: Selenium.; Fluorine.; Arsenic.; Geochemistry.; Geology -- United States.
Notes: Bibliography: p. 11, 14.