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GENERAL32494
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Last modified
8/24/2016 7:55:01 PM
Creation date
11/23/2007 7:19:47 AM
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Template:
DRMS Permit Index
Permit No
M1973021
IBM Index Class Name
General Documents
Doc Name
MORRISON QUARRY OF COOLEY GRAVEL CO AND THE ENVIRONMENT IN TWO PARTS PART 1A REVIEW OF THE 1972
Media Type
D
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to <br />1 <br />' <br /> Our 1974 recommendations were to ditch the inside of the road to collect <br /> runoff water, then divert this water off the road at four places into <br />' natural drainage ways or on ridge crests. Those recommendations have <br /> been carried out, but periodic maintenance will be needed to keep the <br /> inside drain ditch open. <br />' Plants of native species produced from hand seedings on the fill slopes, <br /> including the berm, were conspicuous in 1914 (Figure 11, 1974 report). <br />' Seedlings of mountain-mahogany showed up abundantly in the spring of <br />1975. Additional seedings are recommended to hasten revegetation. <br /> 4. Face of the Fill Area <br /> R <br />d <br />ti <br /> ecommen <br />ons <br />a <br /> (a) Backslope the edge of the fill to a slope of 2 to 1. Alternatively, <br />' create one or more flat benches across the slope, add good soil. <br /> (b) Compact the surface of the face of the fill. <br />' <br /> (c) Revegetate by hydromulching using the same seed recommended for <br /> the haul road. <br />' (d) Sow acorns of Gambels oak in clumps to break up the straight <br /> lines of the fil]. <br /> Action <br /> Use of the edge of the fill led to periodic disturbance of the face of <br />' the fill, and storm runoff periodically eroded the face. An undisturbed <br /> part of the face revegetated quite well by 1974. In February, 1975, a <br /> heavily racked drainage channe] was constructed to carry storm runoff <br /> over the face of the fill. The face was then repaired and one step or <br />' bench was cut across it. The whole face was then seeded to grasses by <br /> hydromulching. Arrangements were made with a nurseryman to establish <br /> Gambels oak and other woody plants. <br />' <br />1 <br />1 <br /> <br />1 <br />1 <br />1 <br />
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