Wells, Francis G. (Francis Gerritt) 1898- creator Waters, Aaron C. (Aaron Clement) 1905-1991 joint author. Oregon State Mining Board. text dcu Washington U.S. Govt. Print. Off. 1934 monographic eng

print

vi, 58 p. 23 pl. (incl. fold. maps (2 in pocket) 24 cm. by Francis G. Wells and Aaron C. Waters, prepared in cooperation with the State mining board of Oregon. At head of title: United States Department of the Interior. n-us-or Mercury QE75 .B9 no. 850 gs 34000105 DLC 800625 20260227111338.0 gs 34000105