1. Variations in vitrinite reflectance values for the Upper Cretaceous Mesaverde Formation, Southeastern Piceance Basin, northwestern Colorado : implications for burial history and potential hydrocarbon generation Author/Creator: Nuccio, Vito F. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
2. Volcanic rocks of the Santa Maria Province, California Author/Creator: Cole, Ronald B. Publication/Creation: Denver, CO : For sale by U.S. Geological Survey, Information Services Resource Type: Book Access & Availability: Loading