OC-74 Stratigraphic diagrams with electric logs of Upper Cretaceous rocks, Powder River basin, Natrona, Campbell, and Weston counties, Wyoming, Section B-B', 1977, ISBN 978-0-607-82377-6 Keywords: Powder River Basin, Geologic maps, Bedrock, Stratigraphic Geology, Stratigraphy, Natrona county, Campbell county, Weston county