TY - RPRT TI - Stratigraphy and sedimentology of the Eocene Tejon Formation, western Tehachapi and San Emigdio mountains, California AU - Tor Helge Nilsen PY - 1987 DO - 10.3133/pp1268 UR - https://pubs.usgs.gov/publication/pp1268 ID - pp1268 ER -