"September 2000."Includes bibliographical references (p. 42-43).Mode of access: Internet
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"April 2002."Includes bibliographical references (p. 48-49)Mode of access: Internet
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"July 1980.""Prepared in cooperation with Montana Department of Natural Resources and Conservation."...
Prepared in cooperation with the U.S. Bureau of Land Management and the Montana Department of Fish a...
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"November 1991."Shipping list no.: 92-028-P.Includes bibliographical references (p. 64-66).Mode of a...
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"September 1994."Includes bibliographical references (p. 44-46).Mode of access: Internet
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"August 2002."Shipping list no.: 2003-0004-P.Includes bibliographical references (p. 20-21).Mode of ...
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"April 2002."Includes bibliographical references (p. 48-49)Mode of access: Internet
"August 2001."Shipping list no.: 2001-0316-P.Includes bibliographical references (p. 26-27).Mode of ...
"July 1980.""Prepared in cooperation with Montana Department of Natural Resources and Conservation."...
Prepared in cooperation with the U.S. Bureau of Land Management and the Montana Department of Fish a...
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"November 1991."Shipping list no.: 92-028-P.Includes bibliographical references (p. 64-66).Mode of a...
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"National Water-Quality Assessment Program."Includes bibliographical references (p. 48-50).Mode of a...
Shipping list no.: 2004-0050-P.Includes bibliographical references (p. 9-10).Mode of access: Interne...
"September 1994."Includes bibliographical references (p. 44-46).Mode of access: Internet
"April 1983."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 21-23....
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