Crow Indian Tribe: Geology and Minerals Resources Report
http://www.blm.gov/pgdata/etc/medialib/blm/mt/field_offices/miles_city/og_eis/crow.Par.79832.File.dat/minerals.pdf

Bureau of Land Management: Montana State Office


This 8-page PDF is part of the final statewide oil and gas environmental impact statement and proposed amendment of the Powder River and Billings Resource Management Plans. This section thoroughly describes the geology and minerals of the Crow Reservation. Topics covered are stratigraphy, structure, oil and gas, coal, and paleontological resources. Also included is a general geologic section illustrating the bedrock units found on the reservation.

This resource is referenced here:
Subject: Geoscience:Paleontology, Geology:Sedimentary Geology:Stratigraphy, Geoscience:Geology:Structural Geology, Environmental Science:Energy:Fossil Fuels, , ,
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Solid Earth:Structural Geology, Earth surface:Sedimentary Geology:Stratigraphy