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.'1 " ", I OtJlll.i..'"l Table 3 Streamflow record information for the channel maintenance claim sites. Site USGS Gage Gage Season of Base Station Analysis Total Gage Operator' Period of Operation' for Record Period of Years of Number Record Extension Record' Record Boise River 13185000 USGS 1912.1995 Year-around Not extended 1912-1995 84 South Fork Payette 13235000 USGS 1942-1995 Year-around Not extended 1942-1995 54 River Valley Creek 13295000 USGS 1912-1913 Year.around Not extended 1912.1913 55 1922-1971 1922.1971 1993-1995 1993.1995 South Fork Salmon 13310700 USGS 1967-1982 Year.around Not extended 1967-1982 23 River 1986 1986 1990-1995 1990-1995 Selwav River 13336500 USGS 1930-1995 Year-around Not extended 1930-1995 66 Lochsa River 13337000 USGS 1911-1912 Year-around Not extended 1911-1912 68 1930-1995 1930-1995 North Fork Clearwater 13340600 USGS 1968-1995 Year-around Not extended 1968-1995 28 River Lola Creek USFS- 1986-1995 Summer Lolo Creek @ 1980 - 1995 16 Clearwater Greer NF Red River USFS- Nez 1986-1995 Summer SF Clearwater 1965 - 1995 31 Perce NF tlll Stites South Fork Red River USFS- Nez 1986-1995 Summer SF Clearwater 1965 - 1995 31 Perce NF tlll Stites Rapid River USFS- Nez 1986-1995 Year-around Salmon River 1911 -1917 83 Perce NF I tlll Whitebird 1920 - 1995 Little Slate Creek USFS- Nez 1986-1995 Summer Little Salmon 1952.1954 42 Perce NF River@ 1957-1995 Riooins i. Operator refers to the organization most recently responsible for maintenance of the gage. Abbreviations are defined as follows: USGS - US Geological Survey, USFS - US Forest Service, CWRU - Case Western Reserve University, 2. Record available for gage used for record extension or actual period of record if not extended. 3. Period of operation shown as "summer" indicates gage usually started before runoff and stopped in the fall before freeze-up, Streamflow data associated with the fluvial process sites are from stream gages operated by the USGS, Forest Service (National Forests or Research), Case Western Reserve University, or a combination of the above. Table 4 displays the most recent operator of the stream gage, period of record, season of operation, gage used for record extension (if extended), and extended period of record (if extended) for each of the fluvial process sites. Generally speaking, streamflow measurements, gage operation, and data reduction were caiTied out by the operator of the gage. Additional information pertaining to streamflow data for most of the fluvial process sites can be found in Whiting et aI., (1997). United Slates' Expert Report Disclosing Meltmologies for Quantification of Organic Act Claims Consolidated Subcase No, 63-25243 24