Ground water in the northern part of Clackamas County, OregonAlvin Riley Leonard · First published 1983Open the Tome
Ground water in selected areas in the Klamath Basin, OregonAlvin Riley Leonard · First published 1974Open the Tome
Ground-water resources in Harney Valley, Harney County, OregonAlvin Riley Leonard · First published 1970Open the Tome
Geology and ground-water resources of southern Ellis CountyAlvin Riley Leonard · First published 1961Open the Tome
Geology and ground-water resources of the North Fork Solomon River in Mitchell, Osborne, Smith, and Phillips Counties, Kansas. With a chapter on the chemical quality of the ground water, by Walton H. DurumAlvin Riley Leonard · First published 1952Open the Tome