Laserfiche WebLink
FIGURE 1. BAR-D PIT -- <br />Thalweg Changes Since 1977 <br />(Preliminary, Approximate) <br />iy <br />c <br />0 <br />«~ <br />i <br />m <br />w <br />6620 <br />6610 <br />6600 <br />6590 <br />6580 <br />6570 <br />78.8 <br />79.0 79.2 79.4 79.6 79.8 80.0 <br />1977 River Mile <br />• 1977 (USAGE, 1977) <br />- ~ - 1990 (Goff, 1992a,b) <br />~ ••• 11/93 (Sandco; Lidstone & Anderson, 1996) <br />-~-- 1/96 pre-mining (Sandco) <br />---~- 1/03 pre-mining (FCMI) <br />m ~ <br />LL~ ~ <br />m ~j <br />m /.. ~' <br />a~ ~ <br />~ ~ ~~ 63+68.71 <br />/`~ <br />-- -~-- - - <br />/ /. <br />/ •~ <br />- -~• <br />i.' <br />~. •. <br />~i.• •' <br />i .•' <br />_ i <br />--- ----------- -- -- <br />~ ~ /~ <br />~' ~ ~ <br />.•. <br />~.. <br />/ 10+00 <br />pre-1996 deep-pit mining? <br />~ ~• . <br />Note: Horizontal and vertical placement of Bar-D <br />cross sections (1/96 and 1/03) are approximate <br />therefore, apparent gradients between cross <br />sections are inaccurate and apparent elevation <br />changes with respect to earlier data are approximate. <br />Gillam to Hellige '11/28/03 <br />