Zinc and lead deposits of Northern Arkansas /
McKnight, Edwin Thor, 1902-
Zinc and lead deposits of Northern Arkansas / Edwin T. McKnight. Prepared in cooperation with the Arkansas Geological Survey, George C/ Branner, state geologist. - Washington : U.S. Govt. Print. Off., 1935. - vi, 311 p. : incl. tables, diagrs. 1l pl., on 9 l. (included folded maps in pocket) fold. tab. ; 23 cm.
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 36000004
Lead ores--Arkansas.
Zinc ores--Arkansas.
QE75 / .B9 no. 853
Zinc and lead deposits of Northern Arkansas / Edwin T. McKnight. Prepared in cooperation with the Arkansas Geological Survey, George C/ Branner, state geologist. - Washington : U.S. Govt. Print. Off., 1935. - vi, 311 p. : incl. tables, diagrs. 1l pl., on 9 l. (included folded maps in pocket) fold. tab. ; 23 cm.
At head of title: United States Department of the Interior.
Bibliographical foot-notes.
gs 36000004
Lead ores--Arkansas.
Zinc ores--Arkansas.
QE75 / .B9 no. 853