Graybill, Michael Ray, 1954-2009-05-212009-05-211981-06Graybill, M. R. (1981). Haul out patterns and diet of harbor seals, Phoca vitulina, in Coos County, Oregon. Thesis (M.S.)--University of Oregon.https://hdl.handle.net/1794/9235vii, 55 leaves : ill. ; 28 cm Typescript. (Another copy on microfilm is located in Archives) Thesis (M.S.)--University of Oregon Includes vita and abstract Bibliography: leaves 52-56 University of Oregon theses, Dept. of Biology, M.S., 1981en-USHarbor sealHaul out patternsHarbor seal -- FoodThesis