TY  - BOOK
AU  - Nilsen,Tor Helge
TI  - Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California
T2  - U.S. Geological Survey professional paper
AV  - QE685 .N55 1993
U1  - 551.7/7/097952 20
PY  - 1993///
CY  - Washington, Denver, CO
PB  - U.S. G.P.O., For sale by Book and Open-File Report Sales, U.S. Geological Survey
KW  - Geology, Stratigraphic
KW  - Cretaceous
KW  - Local
KW  - Geology
KW  - Oregon
KW  - California
KW  - Hornbrook Formation Calif. and Or
N1  - One map on folded leaf in pocket; Includes bibliographical references (p. 77-82)
ER  -