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REP36027
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Entry Properties
Last modified
8/25/2016 12:13:39 AM
Creation date
11/27/2007 7:18:27 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981047
IBM Index Class Name
Report
Doc Date
5/4/2001
Doc Name
2000 AHR
Annual Report Year
2000
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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iii iiiiiiiiniiiiii <br />999 <br />• <br />P1AY 0 {~ 2001 <br />MINREC, INC., BLUE RIBBON MINE <br />Oia~an of Minerals ~ Geobgy <br />2000 ANNUAL HYDROLOGIC REPORT <br />JANUARY 1, 2000 THROUGH DECEMBER 31, 2000 <br />• <br />• <br />INTRODUCTION <br />The Blue Ribbon Mine went into permanent cessation in 1986 and the majority of <br />reclamation was completed that year. A minor amount of grading was done in 1987 on the <br />portal bench to improve drainage. During 1988, 1989 and 1993 portions of the bench <br />cover material slumped and were repaired and seeded. <br />The hydrologic monitoring plan is contained in the permit document, pages 124 and 124a <br />which were revised July 28, 1994 and October 10, 1995 respectively. Exhibits H-1 and Z <br />show the various monitoring locations. <br />SURFACE WATER <br />The following table shows the flow, pH and conductivity for upstream and downstream <br />Hubbard Creek by quarter for 2000 compared to the same month averages from 1982 <br />through 2000. <br /> Upper Hubbard Creek Lower Hubbard Creek <br />Quarter Parameter AVE 2000 AVE 2000 <br /> <br />1st Flow, cfs 24.4 21.1 - - <br /> pH 8.0 8.2 8.0 8.6 <br /> Cond-umhos/cm 199 200 214 190 <br />2nd Flow, cfs 31.9 5.6 - - <br /> pH 8.1 7.8 8.1 8.2 <br /> Cond-umhos/cm 224 230 233 230 <br />3rd Flow, cfs 6.2 7.2 - - <br /> pH 8.2 8.2 8.2 8.5 <br /> Cond-umhos/cm 255 240 265 220 <br />4th Flow, cfs 6.8 4.0 - - <br /> pH 8.i 8.4 8.1 8.6 <br /> Cond-umhos/cm 223 240 245 240 <br />
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