Crow Indian Tribe: Land Use and Realty Resources Report
http://www.blm.gov/pgdata/etc/medialib/blm/mt/field_offices/miles_city/og_eis/crow.Par.46663.File.dat/landuse.pdf

Bureau of Land Management: Montana State Office


This 9-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 land use and realty of the Crow Reservation. Also included are maps illustrating surface and mineral ownership, land use and vegetation, grazing districts, and development opportunities.

This resource is referenced here:
Subject: Geoscience:Geology, Biology
Resource Type: Scientific Resources:Overview/Reference Work
Topics: Earth surface, Biosphere:Ecology