Washington[Press of Gibson brothers, inc.]1921. | Smithsonian Libraries

scientific article published in 1950

scholarly article published 1955

article published in 1930

scholarly article by Clyde Polhemus Ross published in January 1934

scientific article published in 1930

scholarly article by Clyde Polhemus Ross published in January 1959

scholarly article by Clyde Polhemus Ross published in January 1947

scholarly article by Clyde Polhemus Ross published in January 1922

scholarly article

scientific article published in 1964

article by Clyde Polhemus Ross et al published 1963 in Geological Survey Professional Paper

scholarly article by Clyde Polhemus Ross published in January 1959

by Clyde P. Ross, 1927

Geological Survey Water-Supply Paper, 1923