1. Stratigraphic framework of the Alaska Peninsula Publication/Creation: Washington, D.C. : U.S. G.P.O., 1996 Resource Type: Book Access & Availability: Loading
2. Stratigraphy of mid-Cretaceous formations at drilling sites in Weston and Johnson Counties, northeastern Wyoming Author/Creator: Merewether, E. A. 1930- (Edward Allen) Publication/Creation: Washington : U.S. Govt. Print. Off, 1980 Resource Type: Book Access & Availability: Loading
3. Strontium isotope evidence for the age of the Vaqueros Formation and latest Oligocene marine transgression in the northern Santa Maria Province, central California / Naples Beach, Point Pedernales, Lion's Head, Shell Beach, and Point Buchon / by Jon R. Schwalbach and Kevin M. Bohacs Author/Creator: Keller, Margaret A. Publication/Creation: Denver, CO : For sale by the U.S. Geological Survey, Information services Resource Type: Book Access & Availability: Loading