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1.4 Field Work <br />After photogeologic mapping had been done and information had • <br />been plotted to appropriate base maps the site was investigated in <br />the field during the period September 20-24, 1993. Prior to our <br />field work PWCC surveying crews had flagged the alignment at about <br />200-foot intervals. Ground observations were plotted to the maps <br />during this trip. <br />After field work was completed the data recorded on the ground <br />was assimilated to maps and further photogeologic evaluation of the <br />area was undertaken to prepare final maps. <br />1.5 Post-Field Conference <br />A conference was held with PWCC, NCC, and AI personnel on <br />October 7, 1993 to review the geologic work prior to test drilling. • <br />Geologic findings and general access to areas along the alignment <br />were discussed. Sites for test holes were located subject to <br />access with a drill rig. The test holes were drilled by NCC in two <br />periods after this meeting. <br />• <br />4 <br />