Mayko, Rudolph Walter, 1918- Soil survey, Prineville area, Oregon [by R. W. Mayko and George K. Smith. Fieldwork by George K. Smith and others. - Washington] U.S. Dept. of Agriculture, Soil Conservation Service, 1966. - i, 89 p. illus., maps (part fold. col.) 28 cm. Cover title. "Literature cited": p. 87-88. LCCN: agr66000064 Subjects--Topical Terms: Soil surveys--Oregon--Crook County.Soils--Oregon--Crook County--Maps. LC Class. No.: S591 / .A22 ser. 1955, no. 12 National Agricultural Library Call No.: 1So32F / 1955, no. 12