01135nam a2200289Ia 4500 192019 BIBL 20160527191858.0 930309s1993 dcuab b f000 0 eng 93003585 EVLG QE685 .N55 1993 551.7/7/097952 20 I 19.16:1521 551.77 N Nilsen, Tor Helge. Local 142880 Stratigraphy of the Cretaceous Hornbrook Formation, southern Oregon and northern California by Tor H. Nilsen. Washington U.S. G.P.O. Denver, CO 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 Local 182296 One map on folded leaf in pocket. Includes bibliographical references (p. 77-82). Geology, Stratigraphic Cretaceous. Local 101970 Geology Oregon. Local 101964 Geology California. Local 101964 Hornbrook Formation Calif. and Or. Local 112350 145513 145513 0 0 0 551_770000000000000_N712S 0 evl 158794 10 10 1 2016-05-27 282115 0 551.77 N712s 80000001724684 2016-05-27 00:00:00 r:192019 z:NCC:D 6