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FIGURE 4. HERMOSA MEADOWS PIT -- <br />Thalweg Changes Since 1977 <br />(Preliminary, Approximate) <br />6590 <br />6580 <br />x <br />C <br />°-., 6570 <br />m <br />m <br />w <br />6560 <br />6550 <br />N <br />py-_ <br />~ .__-_____-..___._- ___--.____-- ____ <br />_ <br />LL <br />N <br />Q <br />--m-- ------ -- <br />d <br />o <br />~ <br />~ <br />$ i'~5 <br />- <br />as `'e <br />.~ <br /> ~. <br />me <br />~ .~ betpee~ <br />~ <br />o~ea <br /> ptote <br />~ <br />--- <br /> ~.. <br />•...........~ ~ .. HM-1 <br />- ` =f - - - <br />,a <br />_. - <br /> <br /> <br />SC-1 m <br />Gt <br />t <br /> --~ <br /> m <br />a°' <br /> m <br />78.2 78.4 78.6 78.8 <br />1977 River Mile <br />• 1977 (USAGE, 1977) <br />- ~ - - 1990 (Goff, 1992a) <br />~ ~ 11/93 (Sandco; Lidstone & Anderson, 1996) <br />- -+ - 12/96 pre-mining (Sandco) <br />^ 1103 pre-mining (HM Gravel) <br />Note: Horizontal placement of Hermosa Meadows cross sections (12/96 and 1/03) is approximate, <br />but vertical placement is accurate; this means that thalweg elevation change from 12/96 to 1/03 is <br />shown accurately, but apparent gradients between cross sections are inaccurate; also, apparent <br />elevation changes with respect to earlier data are approximate. <br />Gillam to Hellige 11/28/03 <br />