Vista normal Vista MARC Vista ISBD

Nilsen, Tor Helge.

Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California by Tor H. Nilsen. - Washington Denver, CO U.S. G.P.O. For sale by Book and Open-File Report Sales, U.S. Geological Survey 1993. - iv, 89 p. ill., maps (some col.) 28 cm. - U.S. Geological Survey professional paper 1521 .

One map on folded leaf in pocket.

Includes bibliographical references (p. 77-82).

LCCN: 93003585

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

Subjects--Geographic Terms:
Hornbrook Formation Calif. and Or.

LC Class. No.: QE685 / .N55 1993

Dewey Class. No.: 551.7/7/097952

Gov. Doc. Class. No.: I 19.16:1521