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  1. North Fork John Day Dredge Tailings Restoration Project Final Report 1997-2002. [electronic resource].

    Washington, D.C. : United States. Dept. of Energy. ; Oak Ridge, Tenn. : distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2002

    The USDA Forest Service (USFS) and the Confederated Tribes of the Umatilla Indian Reservation (CTUIR) worked together to rehabilitate 2.1 miles of Clear Creek floodplain, a tributary of the North Fork John Day River Basin. Dredge tailing were deposited from mining operations on Clear Creek's floodplain from the 1930's to the 1950's. These tailing confined the stream channel and degraded the floodplain. The work was completed by moving dredge tailing piles adjacent to the Clear Creek channel, using track-mounted excavators and dump trucks. A caterpillar tractor was used to contour the material placed outside the immediate floodplain, blending it into the hillside. The restored floodplain was very near channel bankfull level following excavation and contoured to accept future flood flows. Monitoring was initiated through pre and post-project photo points and cross-section measurements. Work was completed in two efforts. In 1997 and 1998 floodplain restoration was adjacent to the reconstruction of Road 13 from the junction with Road 10 from Clear Creek River Mile 1.9 to 3.1 for a distance of 1.2 miles. In 1999 the Environmental Assessment for Lower Clear Creek--Granite Creek Floodplain Restoration Project was completed for work proposed on Clear Creek from the mouth up to River mile 1.9 and the Granite Creek floodplain from River miles 5.9 to 7.7. Restoration proposed in the 1999 Environmental Assessment is the subject of this report.

    Online OSTI

  2. The environmental geochemistry of sulfide mine-wastes

    Nepean, Ont., Canada : Mineralogical Association of Canada, [1994]

  3. Weathering of a base-metal sulfide leaching residue

    Carnahan, T. G. (Thomas G.)
    Pgh. [i.e. Pittsburgh], Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1982.

    Online Full text via HathiTrust


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