This collection is a sub-subgroup (Section) of the Montana Department of Natural Resources and Conservation records, RS 496. Trust Lands (formerly the Trust Land Management Division) currently (as of 2024) operates within the Forestry-Trust Lands Division. Please see the primary finding aid for more Montana Department of Natural Resources and Conservation records.

This collection is composed of subject files (1992, 1998-1999) containing documentation generated by Ethnoscience, Inc. of Billings, MT, in the course of that company’s archaeological and historical consultation on the dam restoration project.