-
1
Department of the Interior. United States Geological Survey, Charles D. Walcott, director. The clays of the United States east of the Mississippi River, by Heinrich Ries.
Published 1903“…Serial set 4509…”
Online Access
Government Document Electronic eBook -
2
Department of the Interior United States Geological Survey Charles D. Walcott, director. Geology of the Globe copper district, Arizona by Frederick Leslie Ransome
Published 1903“…Serial set 4509…”
Online Access
Government Document Electronic eBook