Fluorine in a closed drainage basin, Saguache and Alamosa Counties, Colorado
Subtitle: fluorine content of samples from the vast quantities of lacustrine clay in the San Luis Valley ranged from 170 to 970 ppm
By: by Ralph E. Van Alstine and Frederick O. Simon.
Contributors: Simon, Frederick Otto, 1939-
Series: Geological Survey bulletin ;; 1533
Publisher: U.S. G.P.O.; For sale by the Distribution Branch, U.S. Geological Survey
Published: 1982
Place of publication: Washington; Alexandria, VA
Language: eng
Subjects: Fluorine.; Geochemistry -- Colorado -- Saguache County.; Geochemistry -- Colorado -- Alamosa County.
Notes: Bibliography: p. 7.
One map on folded leaves in pocket.