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,, <br />' LIST OF ILLUSTRATIONS AND FIGURES-Continued <br /> Yage <br />Figure 15-1974 research test plots on the fragmented Figure 21 -Artist's conception of the valley following re- <br />rock which will be used to stabilize the tailing clamation <br />areas. No tall growth is observed because the <br />grass was in its first season. From left to right, <br />the Tour rows of the foreground are 5, 20, 10, Figure 22 -Grass on the face of the upper reservoir dam <br />and 0 tons/acre of sewage sludge (see Figure <br />14) 28 Figure 23 - A sketch of the proposed roadside park on <br /> what is presently the mine yard <br />Figure l6-1974 research test plots on tailing material <br />(foreground only). The nearest four rows are, Figure 24-A drawing of the engineered placement of the <br />from left to right, 20, 10, 0, and 5 tons/acre coarse (segregated) and unsegregated rock <br />of sewage sludge (see Figure 14) 28 on the tailing dam faces for stabilization <br />Figure 17-Calgon monthly water sample collection 30 Figure 25-Spreading rock on the surface of the lower <br /> tailing area <br />~• Figurel8-Calgon annual benthos sample collection 30 <br /> Figure 26-A portion of the stockpile of wood chips to be <br /> used as a mulch during 1975 on the tailing <br />Figure 19 -Calgon electric-shocking Clear Creek for an- areas <br />nual fish count and sample collection. 30 <br /> Figure 27 - A picture of a pole peeler at the sawmill which <br />Figure20-Aerial photograph of Urad Valley in 1973 32 is the source of the wood chips <br />Page <br />32 <br />33 <br />33 <br />34 <br />34 <br />35 <br />36 <br />