1. Lower and Middle tertiary stratigraphic units of the San Emigdio and western Tehachapi Mountains, California Author/Creator: Nilsen, Tor Helge, author Publication/Creation: [Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973 Resource Type: Book Access & Availability: Loading
2. Lower and Middle tertiary stratigraphic units of the San Emigdio and western Tehachapi Mountains, California Author/Creator: Nilsen, Tor Helge Publication/Creation: Washington : U.S. Govt. Print. Off, 1973 Resource Type: Book Access & Availability: Loading