TY  - BOOK
AU  - Nilsen,Tor H.
ED  - United States
TI  - Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California
U1  - 551.77097952 20th ed.
PY  - 1993///.
CY  - Washington: 
PB  - United States Government Printing Office, 
KW  - Geology, Stratigraphic
KW  - Cretaceous
KW  - Geology
KW  - California
KW  - Oregon
KW  - Hornbrook Formation (California and Oregon)
N1  - 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)
ER  -