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<br />Prepared in cooperation with the U.S. Corps of Engineers, the report pre-
<br />sents and discusses management alternatives for mine-drainage abatement in
<br />regard to general applicability in the study area.
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<br />The report, U.S. Geological Survey Open-File Report 77-734, "Quantity and
<br />quality of drainage from the Argo Tunnel and other sources related to metal
<br />Dlining in Gilpin, Clear Creek, and Park Counties, Colorado," by Dennis A.
<br />Wentz, is not available for general distribution. This report may be pur-
<br />chased from: Open~File Services Section, Branch of Distribution, U.S. Geo-
<br />logical Survey, Box 25425; Federal Center, Denver, Colo. 80225. (Telephone:
<br />303-234-5888.) Or, the report may be examined only at the following U.S.
<br />Geological Survey offices:
<br />
<br />1. Colorado District Office, Water Resources Division, Room H-2106,
<br />Building 53, Denver Federal Center, Lakewood, Colo. (Yilliling address:
<br />Mail Stop 415, Box 25046, Denver Federal Center, Lakewood, Colo. 80225.)
<br />
<br />2.
<br />Street,
<br />expense
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<br />Public Inquiries Office, Room 1012 Federal Building, 1961 Stout
<br />Denver, Colo. 80294. Information on copying the report at private
<br />may be obtained from this office.
<br />
<br />3. Library, Denver West Office Park, Building 3, 1526 Cole Boulevard
<br />at Colfax, Golden, Colo. (Mailing address: Mail Stop 914, Box 25046,
<br />Denver Federal Center, Lakewood, Colo. 80225.)
<br />
<br />4. Library, Room 4A100, Mail Stop 950, National Center, 12201 Sunrise
<br />Valley Drive, Reston, Va. 22092.
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