Ohlson Ranch Formation, Pliocene, northwestern Sonoma County, California /
Higgins, Charles G., 1925-
Ohlson Ranch Formation, Pliocene, northwestern Sonoma County, California / by Charles G. Higgins ; Paleontology and correlation of the Ohlson Ranch Formation / by Joseph H. Peck, Jr. - Berkeley ; Los Angeles : University of California Press, 1960. - 199-241 p. illus. - University of California publications in geological sciences, v. 36, no. 3-4 .
Includes bibliographies.
Geology, Stratigraphic--Pliocene.
Paleontology--Pliocene.
Geology--California--Sonoma County.
Paleontology--California--Sonoma County.
Ohlson Ranch Formation, Pliocene, northwestern Sonoma County, California / by Charles G. Higgins ; Paleontology and correlation of the Ohlson Ranch Formation / by Joseph H. Peck, Jr. - Berkeley ; Los Angeles : University of California Press, 1960. - 199-241 p. illus. - University of California publications in geological sciences, v. 36, no. 3-4 .
Includes bibliographies.
Geology, Stratigraphic--Pliocene.
Paleontology--Pliocene.
Geology--California--Sonoma County.
Paleontology--California--Sonoma County.