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GENERAL55996
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Last modified
8/24/2016 8:40:56 PM
Creation date
11/23/2007 11:01:06 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
General Documents
Doc Date
12/30/2003
Doc Name
Proposed Decision & Findings of Compliance for RN4
Permit Index Doc Type
Findings
Media Type
D
Archive
No
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Inflows from faults and fractures located outside stream valleys (such as in the Bowie No. 1 <br />Mine) generally dry up with time or flow intermittently at discrete points along the fault or <br />fracture. Those which continue to flow have flow rates which diminish to a trickle. Such <br />inflows may represent the dewatering of lenticular sandstone units with limited recharge areas, or <br />may represent flows through fracture zones extending to the surface which have narrow recharge <br />zones on steep slopes. <br />Surface Water - <br />Surface water information may be found in Volume 1, pages 42 to 47 of Section 2.04, pages 114 <br />to 135 of Section 2.05.6, and in Volume 4. Water rights tabulations and an augmentation plan <br />are found in Volumes 5 and SA. Annual hydrologic reports have been prepared since 1982 and <br />exist as stand- alone volumes. For a description of the surface water hydrology of the mine <br />permit azea and a discussion of the impacts of mining on surface water, please refer to the <br />Hydrologic Balance and Probable Hydrologic Consequences portions of Section B of this <br />document. <br />BRL's baseline surface water collection for the permit azea consisted of reviewing existing <br />baseline studies on the area, compiling a list of water rights on file with the State Engineer, <br />identifying water resources using aerial photographs, and actual on-the-ground surveys. In the <br />1988 Findings, only one concern with the baseline study that pertained to a proposed area to be <br />mined outside that five-year permit term was noted. CWl had not obtained right of entry to <br />conduct on-the-ground baseline surveys on two tracts of land totalling 286 acres within the East <br />Roatcap Creek drainage basin. COVCC obtained the required rights of entry during 1992-93 and <br />performed ground reconnaissance for surface water sources on these areas as baseline data for <br />Permit Revision No. 3. <br />The Bowie No. 1 Mine permit area is drained by East Roatcap Creek, West Roatcap Creek, Main <br />Roatcap Creek, Steven's Gulch, Coal Gulch, and Terror Creek, all of which are tributaries to the <br />North Fork of the Gunnison. <br />Terror Creek is a perennial stream with an aquatic community that includes some trout. The <br />stream has a high gradient channel with riparian vegetation and alluvium confined to narrow <br />bands along the channel. <br />Steven's Gulch, East Roatcap Creek, and Coal Gulch aze intermittent to ephemeral drainages that <br />only flow part of the year. Localized deposits of colluvial material reworked by fluvial processes <br />are present within the general area, primarily within the Steven's Gulch, West Fork Terror Creek, <br />and Roatcap Creek drainages. These deposits are generally 20 to 30 acres in size and provide <br />industrial (Steven's Gulch), domestic (Long Draw), and agricultural (Morrell Cow Camp) water <br />sources (page 39, Section 2.04.7 of Volume 1). Several smaller occurrences of saturated <br />alluvial/colluvial deposits are associated with the streams in the permit area; however, none of <br />these is currently supporting agricultural use. <br />16 <br />
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