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PERMFILE47848
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PERMFILE47848
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Entry Properties
Last modified
8/24/2016 10:49:51 PM
Creation date
11/20/2007 1:19:20 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1977211
IBM Index Class Name
Permit File
Doc Date
3/14/1980
Doc Name
RESTATED APPLICATION FOR MINING AND RECLAMATION PERMIT
Media Type
D
Archive
No
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r YNTRTT r. <br /> <br />SUPPLEMENTAL WATER INFORMATION <br /> <br />l__1 <br />CHECK DAMS AND POND: <br />Dimensions of check dams are indicated in Exhibit G-2. The pond bottom <br />is 3 to 4 feet below existing ground. The dam portion of the pond is 18 feet <br />above existing ground at the highest point, being 25 feet wide at the top <br />with side slopes of 2:1. <br />DRAINAGE OF TERRACES: <br />On the Reclamation Plan Map there are only about four areas where slopes <br />are steeper than 2:1. Storm runoffs from these areas will be detained in small <br />catchment on the benches. Furthermore, these areas will only be effected by <br />rainfall falling directly on the individual areas. Runoff generated from outside <br />areas will not be allowed to flow across the terraces. <br />INTERMITTENT STREAt4S, CATCHMENTS AND CHECKDAt4S: <br />There are two intermittent streams within the Pikeview Quarry as noted on <br />Exhibit G-1. The stream at the Southern portion of the mine will not be effected <br />by the mining operation. The stream at the North portion of the mine has been <br />altered slightly to flow along side one of the mining roads. This stream vrill <br />be designed to flow a natural course during the reclamation phase. <br />The catchments and check dams are permanent structures. The size of the rock <br />and the arrangement was designed to detain the velocity anal CFS of surface flows <br />in the Northern basins. The catchments can not be considered temporary, even <br />though they may fi71 with silt. A certain percolation rate and water retention <br />configuration would exist. The silt within the catchment area would certainly <br />have a high potential for plant growth. Plant growth within these areas t•~ould <br />reduce runoff velocities, thereby reducing erosion. <br />_ • <br /> <br />P-G-4 <br />
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