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<br />00 0 M~ _ <br /> <br />1'=- .:c:.~==--,=c:- <br />I <br />I <br /> <br />:1 <br />'." <br /> <br />:1 <br />r' !I <br />1 <br /> <br />" <br /> <br />" <br />, <br />I' <br />; <br />, <br /> <br />:1 <br />" <br />;I <br />I <br />, <br />I <br />:i <br />, <br />,I <br />I <br />'I <br />.1 <br /> <br />I <br />'I <br /> <br />,~ <br />" <br /> <br />I <br />I <br /> <br />'I <br /> <br />:i <br /> <br />" <br /> <br />" <br />'I <br /> <br />. <br /> <br />" <br /> <br />'\ <br /> <br />" <br />, <br /> <br />" <br /> <br />--I <br /> <br />-15- <br /> <br />Materials for this site were not investigated, except by <br /> <br />general reconnaissance observation. <br /> <br />However, subsequent borrow <br /> <br />investig;ntion for the lower Weld County site would apply to this <br /> <br />site. <br /> <br />Weld County (Osborne Site) <br /> <br />No drilling was done on this site at all. By projecting <br /> <br />the drilling done on the lower Weld County site saDIe one-half to <br /> <br />three-quarters of a mile, a Similar cross-section to the lower <br /> <br />site would be developed. The right end of the axis is cOllunon to <br /> <br />both sites. At the left end a large outcrop of the Fox Hills, <br /> <br />bedrock formation was found in Section 3, Township 4 North, Range <br /> <br />62 West at the gate checl, of the Riverside Intake Canal. This <br /> <br />would indicate high bedrock at a point apprOXimately 7,000 feet <br /> <br />southward from the north end of the axis. <br /> <br />This site appears to be similar to, but longer than the <br /> <br />lower Weld County site. After considerable study, this axis <br /> <br />appeared to the writers to be less favorable, geologically, than <br /> <br />the lower We Id County site and as a result we recollullended tha t <br /> <br />no further investigation be made. <br /> <br />Weld County Lower Site <br /> <br />In a sbuilar manner to the upper site, the lower site had <br /> <br />been explored by three drill holes on, or close to, the proposed <br /> <br />26,OOO-foot long axis and data from a fourth hole off the axis was <br /> <br />projected to the line of the axis. <br /> <br />This data was supplemented by <br /> <br />information froDl three water well test holes, drilled by the <br /> <br />Canfield Drilling Company, and by some meager surface geologic <br /> <br />data. From this information, the U. S. Bureau of Rcclall'Ation <br /> <br />sl<ctehed a generalized geologic cross-section on which they based <br /> <br />r ~'~ .. <br /> <br />",," <br />