Crow Indian Tribe: Vegetation Resources Report
http://www.blm.gov/mt/st/en/fo/miles_city_field_office/og_eis/crow.print.html

Bureau of Land Management: Montana State Office


This 11-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 describes the vegetation of the Crow Reservation. Included are vegetation, soil, and forest land maps.

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