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REP14995
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REP14995
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Entry Properties
Last modified
8/24/2016 11:44:40 PM
Creation date
11/27/2007 1:33:59 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Report
Doc Date
6/8/1992
Doc Name
PN C-81-038 1991 ANNUAL HYDROLOGY SUBSIDENCE & MINE INFLOW REPORTS
From
CYPRUS ORCHARD VALLEY
To
MLRD
Permit Index Doc Type
HYDROLOGY REPORT
Media Type
D
Archive
No
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other springs monitored and only pond level data should be <br />collected from each pond. <br />Continuously flowing spring monitoring should begin at least one <br />year prior to the angle-of-draw reaching the spring and should <br />continue for the permit period. <br />Other spring and pond monitoring should begin at least one year <br />prior to the angle-of-draw reaching the spring or pond. Pond <br />monitoring should be discontinued one year after the angle of draw <br />has reached the pond if it still holds water. Spring monitoring <br />should be discontinued if the spring is still flowing at <br />approximately its premining rate at one year after the angle of <br />• draw has reached the spring. <br />~~ <br />n~, ~ ~ All springs which do not flow continuously and have never flowed <br />~~ more than 0.02 cfs should be dropped from the program. <br />~Y ~~ ~~. <br />~~~( All ponds that have already been within the angle-of-draw for more <br />~~ than one year and still hold water and do not discharge <br />continuously should be dropped from the program. 'i~ S~~S ~Q <br />Since no problems related to the ground water levels in the bench <br />monitoring wells (B-1 through B-8) at the Orchard Valley Mine <br />Portal have been observed and because most of the bench wells are <br />dry, only well B-7 should continue to be monitored. <br /> <br />22 <br />
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