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REP49365
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REP49365
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Entry Properties
Last modified
8/25/2016 12:53:16 AM
Creation date
11/27/2007 12:33:10 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981022
IBM Index Class Name
Report
Doc Date
5/29/2002
Doc Name
2000 AHR Report Page 74 Through 171
From
Oxbow Mining Inc
To
DMG
Annual Report Year
2000
Permit Index Doc Type
Hydrology Report
Media Type
D
Archive
No
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No flows were recorded during any of the 2000 monitoring events. Though OMI Could not and <br />will never be able to inspect the water-filled and now sealed areas of the Sanborn Creek Mine <br />longwall panels involved in the 1999 mine fire even[, OMI believes that water from the Oliver <br />Mine may have drained into this azea at that time, as no flow from Spring 8 has since been <br />recorded. <br />Spring 9 is a seep at the base of a landslide feature in the Unnamed Gulch. Flow has been nearly <br />continual, but at very low rates, High conductivity measurements indicate influence from a deep <br />groundwater source. Spring 10 is a spring/seep at the base of the colluvium just above old <br />Highway 133 at the west end of the reclaimed Hawk's Nest east site. Data for Spring 10 aze <br />similaz to Spring 9, but show more fluctuation. No significant difference in the 2000 monitoring <br />results for Springs 9 and 10 from baseline or historical measurements was noted. <br />The site of Spring 11 was buried by the Division during the reclamation of the Hawk's Nest East <br />Mine site. It was originally located in the mine's facilities azea below Old Highway 133. No <br />flow was recorded for Spring 11 in 1992 and 1993. In May 1994, water began to collect in the <br />road cut above old Highway 133. This water had an elevated conductivity and temperature. <br />Flow was recorded in June and July of 1994, but the conductivity and temperature measurements <br />decreased indicating that more dilution from a surface water source was occurring. Only slightly <br />wet soils in the vicinity of the spring and no flows have been measured since 1997, including <br />2000. <br />Surface water monitoring stations AG-1 ("A" Gulch), BG-1 ("B" Gulch), CG-1 ("C" Gulch), <br />HN-1 (Hawksnest Creek), HG-1 (Hoopla Gulch), and BC-1 (Bazdine Canyon), are monitored to <br />verify that the underground mine does not have an adverse effect on the quality or quantity of <br />runoff from these low flow, ephemeral drainages. Baseline data were obtained for these <br />drainages during 1992 and 1993. During 2000, these stations were monitored monthly. <br />Monitoring point HN-lin Hawksnest Creek, had flow in Mazch, April and May 2000, but no <br />flow was recorded in any of the other ephemeral drainages. Monthly field parameters were <br />measured in Hawksnest Creek during the March and April flows, and a sample was taken for <br />quarterly full suite analysis in Mazch. No significant difference in the 2000 monitoring results <br />from baseline or historical measurements was noted. <br />The upper reach of a tributary to Thompson Creek overlies the northeastern corner of the <br />Sanbom Creek Mine. Monitoring Point T-I (in Thompson Creek} is monitored to verify that the <br />underground mine does not have an adverse effect on the quality or quantity of flows in this <br />drainage. Baseline information for the creek was obtained in 1996. No flow was recorded <br />during September and October 2000, but water was present during all other months of 2000. A <br />water sample was obtained in the months of March and June, but no flow data nor samples could <br />be obtained in January, February and December 2000, because the stream was frozen and/or <br />snow covered. No significant difference in the 2000 monitoring results for T-1 from baseline or <br />historical measurements was noted. <br />167 <br />
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