Geology of Beaver county, Oklahoma, by Chas. N. Gould and John T. LonsdaleCharles Newton Gould · First published 1926Open the Tome
The Upper Paleozoic rocks of Oklahoma. Stratigraphy and areal geologyCharles Newton Gould · First published 1927Open the Tome
The Permian of western Oklahoma and the Panhandle of TexasCharles Newton Gould · First published 1926Open the Tome
Proposed groups of Pennsylvanian rocks of eastern OklahomaCharles Newton Gould · First published 1910Open the Tome
Preliminary report on the mineral resources of OklahomaCharles Newton Gould · First published 1908Open the Tome
The geology and water resources of the western portion of the Panhandle of TexasCharles Newton Gould · First published 1907Open the Tome
The geology and water resources of the eastern portion of the Panhandle of TexasCharles Newton Gould · First published 1906Open the Tome
The Dakota Cretaceous of Kansas and Nebraska, and Other PapersCharles Newton Gould · First published 1901Open the Tome
