Investigations in Alaska railroad belt, 1931.

by Wells, Francis G. 1898-
Published 1933

Geology and mineral resources of the Gasquet quadrangle, California-Oregon /

by Cater, Fred W. 1912-, Wells, Francis G. 1898-
Published 1953

Quicksilver deposits of southwestern Oregon /

by Wells, Francis G. 1898-, Waters, Aaron C. 1905-1991
Published 1934

Geology and ore deposits of the southwestern Arkansas quicksilver district /

by Reed, John Calvin, 1905-1993, Wells, Francis G. 1898-
Published 1938

Ground-water resources of western Tennessee /

by Wells, Francis G. 1898-1969, Foster, Margaret D. 1895-
Published 1933

Chromite deposits near Seiad and McGuffy Creeks, Siskiyou County, California /

by Wells, Francis G. 1898-, Smith, Clay T., Rynearson, Garu H., Livermore, John Sealy, 1918-2013
Published 1949