Now showing items 1-20 of 23

    • Blue Mountain land exchange -- Oregon final environmental impact statement 

      Malheur National Forest (Agency : U.S.); Umatilla National Forest (Agency : U.S.); Wallowa-Whitman National Forest (Agency : U.S.) (2006-09)
      Analyzes proposed assembled land exchange between Clearwater Land Exchange-Oregon and the Forest Service, involving acquiring and conveying within the Malheur, Umatilla, and Wallowa-Whitman National Forests. Plans to provide ...
    • Buffalo Mine abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2008-08)
      Assesses mine site on moderately steep side slopes, consisting of two adits, associated wasterock and tailing ponds, one with water treatment facilities and miscellaneous buildings. A Niton XLt unit found that all metals ...
    • Cap Martin complex abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses site consisting of four collapsed adits, one of which has water discharge, and 6000-80000cy of wasterock materials, most of which is adjacent to Granite Creek. There are numerous trenches and apparent hydraulic ...
    • Golden Fraction abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses site consisting of a large collapsed adit and approximately 3000cy of wasterock material adjacent to Granite Creek. A Niton XLt found that most metals at the site exceeded screening criteria for birds, invertebrates, ...
    • Granite Creek Mine #5 abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site consisting of a large collapsed adit and approximately 500cy of wasterock material adjacent to Granite Creek, with numerous trenches and apparent hydraulic mining. A Niton XLt unit found that most metals ...
    • Granite Creek Mine #6 abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site consisting of a large collapsed adit and approximately 1000cy of wasterock material, which is adjacent to a small ephemeral tributary to Granite Creek. A Niton XLt unit found that most metals at the site ...
    • Granite Creek Mine #7 abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site consisting of a large collapsed adit and approximately 700cy of wasterock material adjacent to Granite Creek, with numerous trenches stemming from hydraulic mining and possible historic dredging operations. ...
    • Granite Creek Mines human health and ecological risk assessment 

      Wallowa-Whitman National Forest (Agency : U.S.); Cascade Earth Sciences (2006-04)
      Assesses, through a streamlined risk assessment process, potential human health and ecological risks associated with mining-related contamination at the Monumental, Cap Martin, Sheridan, Tillicum, and Central Mines ...
    • Granite Creek Mines site inspection 

      Wallowa-Whitman National Forest (Agency : U.S.); EA Engineering, Science, and Technology, Inc. (2004-01)
      Documents Site Inspection performed by EA Engineering at five Granite Creek Mines: Monumental, Cap Martin, Sheridan, Tillicum, and Central. The objectives were to access the immediate or potential threat posed by wastes ...
    • Granite Creek Tributary Mines initiation of CERCLA investigation memorandum 

      Wallowa-Whitman National Forest (Agency : U.S.) (2007-02-20)
      Documents, pursuant to the Guidelines of the National Oil and Hazardous Substance Contingency Plan (NCP), the decision to initiate a CERCLA investigation in nine locations at the Granite Creek Tributary Mines site. A Site ...
    • Hells Canyon National Recreation Area comprehensive management plan final environmental impact statement executive summary, record of decision, and summary 

      Wallowa-Whitman National Forest (Agency : U.S.) (2003-07-21)
      FEIS analyzes five alternatives seeking to make management, utilization, and disposal of natural resources compatible with the HCNRA Act. Record of decision announces selection of the preferred Alternative E-modified, which ...
    • New York Mine abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site consisting of numerous trenches on the mountain slope, at least five of which are collapsed to partially collapsed adits, 9000-12,000cy of wasterock and 4000cy of tailings. A Niton XLt unit found all ...
    • Pyx Mine and Mill abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2004-03)
      Assesses mine and mill site in moderate to steep side slopes, consisting of an open adit, waste rock dumps, tailings pond, and remains of a mill. A Niton XRF unit found numerous chemical elements exceeding regulations, ...
    • Rabbit Mine and Mill abbreviated preliminary asessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2004-03)
      Assesses mine and mill site on moderate to steep side slopes, with burned debris of the mill, open adit and an airshaft filled with water, with associated waste dumps. A Niton XRF unit found numerous chemical elements ...
    • Sled Springs OHV trail system and road management plan decision notice 

      Wallowa-Whitman National Forest (Agency : U.S.) (2008-11-26)
      Announces decision to implement Alternative 5 of project EA, to restrict motorized use in the Sled Springs area to designated routes. Upon establishment of the trail system, or implementation of the Forest-wide ...
    • Sled Springs OHV trail system and road management plan environmental assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2008-11)
      Proposes to establish a 166-mile OHV trail system in the Sled Springs area. This OHV trail system would be for all-terrain vehicles and motorcycles. The proposal consists of converting 71 miles of existing roads into ...
    • Standard Mine abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site on moderate side slopes, consisting of a large collapsed adit with minor seepage, approximately 500cy of wasterock near a small creek. A Niton XLt unit found that all metals exceeded screening criteria ...
    • Sugar vegetation management project environmental assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2008-11)
      Proposes several alternatives for project initiating tree thinning, fuel reduction, and rehabilitation work, including placing large wood into Five Points Creek.
    • Upper Central Mine abbreviated preliminary assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2006-08)
      Assesses mine site on moderately steep side slopes consisting of four collapsed adits and about 1500cy of wasterock. A Niton XLt unit found most metals detected at the site exceeded screening criteria for birds, invertebrates, ...
    • Upper Grande Ronde mine tailings restoration project environmental assessment 

      Wallowa-Whitman National Forest (Agency : U.S.) (2009-01)
      The Upper Grande Ronde Mine Tailings Restoration Project would remove and/or redistribute mine tailings as far away from the wetted edge of the upper Grande Ronde River as possible. A total of 18 sites would have mine ...