REP00594

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 4/27/2005
• Doc Name: 2004 Annual Hydrology Report
• From: J.E. Stover & Associates
• To: DMG
• Annual Report Year: 2004
• Permit Index Doc Type: Hydrology Report
• Media Type: D
• Archive: No

• Bowie Resources, LLC April 26, 2005
Bowie No. 2 Mine
2004 Annual Hydrology Report
aze reported in gallons per minute. Stream and river flows are reported in cubic feet per second.
Table 4 contains local precipitation data for 2004. This data is no longer available from the
intemet at www.ah.noaa.eov/gjt. Daily precipitation data aze no longer available. 2004 data is
presented as monthly compilations.
Table 5 contains a listing of all monitoring points, with descriptions of their locations and a
reference to the Monitoring Point Figure that contains this yeaz's monitoring data. A notation of
whether a chart is included is provided in this table.
Monitoring point figures follow this introduction. Each Monitoring Point has an individual table
which tabulates the annual data collection and reports Minimum, Maximum, Average and
Baseline data. A reference in each footnote explains the period used for baseline data.
~ Flow data for the North Fork of the Gunnison river is obtained from the USGS from a website
http://nwis-colo.cr.usgs.gov/historic.html. This flow reading is obtained telemetrically from a
station neaz Somerset, CO and is reflective of upper river flows only. This monitoring point is
identified by the USGS as 09132500.
• Flow data for the Fire Mountain Canal is obtained from the Division of Water Resources,
Division IV, 1540 E. Niagara Street, Montrose, Colorado 81402. This flow is representative of
the upper flow.
Monitoring point identifiers neaz the mine portals aze historic and follow no specific naming
convention. Monitoring points located in azeas monitored for the PR-04 permit revision follow a
convention where the first letter(s) designates a water source type, such as "S" for Spring or "SP"
for Spring and Pond. The numeral(s) following the first letter designate what Section the water
source is located, for instance, SP34-2 would be a spring and pond in Section 34. The numeral
separated with a dash indicates an index number for that point. SP34-2 would be the second
monitoring point found in Section 34.
CDPS Monitoring Points
DMRs are submitted quarterly to the Colorado Department of Public Health and Environment
with copies to the Division of Minerals and Geology and aze included herein by reference.
North Fork Alluvium Monitoring Wells
Alluvial monitoring wells AW-1 through AW-6 are located neaz the mine entrance along the
north side of Highway 133B. These wells aze monitored quarterly for field pazameters and
semi-annually for full suite laboratory parameters during the second and fourth quarters in
. accordance with the permit application. Alluvial monitoring wells AW-7 through AW-9 aze
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