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Nilsen, Tor H.

Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California / by Tor H. Nilsen. - Washington: United States Government Printing Office, 1993. - iv, 89 p. : ill., maps, tables ; 29 cm. +1 map. - 1521 .

One map on folded leaf in pocket. Conduct map: geologic map of the Hornbrook Formation, southern Oregon and northern California.

Includes bibliographical references (p. 77-82).

Subjects--Topical Terms:
Geology, Stratigraphic--Cretaceous
Geology--California
Geology--Oregon

Subjects--Geographic Terms:
Hornbrook Formation (California and Oregon)

Dewey Class. No.: 551.77097952