Coal mining, landscape changes, and reclamation recommendations for OklahomaArthur H. Doerr · First published 1962Open the Tome
Oklahoma's coal industry - past, present and futureArthur H. Doerr · First published 1962Open the Tome
Coal mining and landscape modification in OklahomaArthur H. Doerr · First published 1961Open the Tome
Principles of geography, physical and culturalArthur H. Doerr, J. L. Guernsey · First published 1959Open the Tome
