Bentonite mining related problems in the Northwestern states
By: submitted to Old West Regional Commission, prepared by D. Hemmer, S. Johnson and Ray Beck ; edited by P. Cheney (Montana Department of State Lands)
Contributors: Beck, Ray; Cheney, P. (Patrick); Johnson, S. (Sandra); Montana. Department of State Lands; Old West Regional Commission
Publisher: ill. (some col.)
Published: 1977
Place of publication: iv, 94 leaves
Language: eng
Subjects: Revegetation; Reclamation of land; Bentonite
Notes: "Old West Regional Commission Grant No. 10570164."

"December 1977."

Bibliography: leaf 44.