Origin of the copper deposits of the Ducktown type in the southern Appalachian region /
Ross, Clarence Samuel, 1880-
Origin of the copper deposits of the Ducktown type in the southern Appalachian region / by Clarence S. Ross. - Washington : U.S. Gov't. Print. Off., 1935 - v, 165 p. : ill., 44 plates ; 29 cm. - Geological Survey (U.S.). Geological Survey professional paper ; no. 179 . - Geological Survey professional paper ; no. 179. .
At head of title: United States Department of the Interior.
Bibliography: p. 3-7.
gs 35000083
Copper mines and mining--Appalachian Region.
Copper ores--Appalachian Region.
TN443.A5 / R6
I 19.16:179
Origin of the copper deposits of the Ducktown type in the southern Appalachian region / by Clarence S. Ross. - Washington : U.S. Gov't. Print. Off., 1935 - v, 165 p. : ill., 44 plates ; 29 cm. - Geological Survey (U.S.). Geological Survey professional paper ; no. 179 . - Geological Survey professional paper ; no. 179. .
At head of title: United States Department of the Interior.
Bibliography: p. 3-7.
gs 35000083
Copper mines and mining--Appalachian Region.
Copper ores--Appalachian Region.
TN443.A5 / R6
I 19.16:179