Silver in veins of hypogene manganese oxides
By: by D. F. Hewett.
Series: Geological Survey circular 553; Geological Survey circular ;; 553.
Publisher: [U.S. Geological Survey]
Published: 1968
Place of publication: Washington
Language: eng
Subjects: Manganese ores -- Southwest, New; Manganese ores -- Canada; Ore deposits -- Southwest, New
Notes: Bibliography: p. 8-9.