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  1. Aquatic habitat inventory of the Beaver Creek Drainage and selected tributaries of the Yellowstone River : final report / Montana Department of Fish and Game ; Al Elser ... [et al.].
    By: Elser, Allen A. - Montana.
    Publication info: [Helena, Mont.?] :The Dept.,1978.
    Contributed by: Montana State Library (archive.org)
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  2. The effect of altered streamflow on fish of the Yellowstone and Tongue rivers, Montana / by Allen A. Elser, Robert C. McFarland, Dennis Schwehr ; conducted by the Water Resources Division, Montana Department of Natural Resources and Conservation for the Old West Regional Commission.
    By: Elser, Allen A. - McFarland, Robert C. - Schwehr, Dennis. - Montana. - Montana. - Old West Regional Commission.
    Publication info: Helena, Mont. :The Division,1977.
    Contributed by: Montana State Library (archive.org)
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