Introduction
Extensive reconnaissance assessments of the mineral resource potential of the Colville
and Okanogan National Forests in northeastern Washington were conducted during 1979-1982
by a private consultant A.R. Grant, under contract with the U.S. Department of Agriculture,
Forest Service. These forests occupy large parts of Pend Oreille, Stevens, Ferry, and Okanogan
counties, and smaller parts of Whatcom, Skagit, and Chelan counties adjoining Okanogan
County in the Cascades. Sampled terrain also included the Kaniksu National Forest in Pend
Oreille County and one stream bed of the Kaniksu in adjacent Bonner County, Idaho.
Two unpublished reports resulting from the assessments (Grant, 1982a,b) list a total of
3,927 analyses of gold, silver, copper, lead, zinc, molybdenum, tungsten, and uranium content of
stream sediment and bedrock samples collected at widely dispersed sites in the three National
Forests. This report makes this important body of work available in digital form on diskettes, to
enhance manipulations with computer spreadsheets, geographic information systems (GIS), and
digital spatial analyses. This will allow for utilization of data by modern day explorationists and
by the general geodata user community.
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First posted January 4, 2000
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