Flotation of chalcopyrite in chalcopyrite-pyrrhotite ores of southern Oregon
By: by Will H. Coghill.
Series: [U.S.] Bureau of mines. Technical paper; 182
Publisher: Govt. print. off.
Published: 1918
Place of publication: Washington
Language: eng
Number of pages: 13
Subjects: Flotation.; Chalcopyrite.; Copper ores -- Oregon.