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2001-12-11_PERMIT FILE - C1981010A (4)
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2001-12-11_PERMIT FILE - C1981010A (4)
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Last modified
9/19/2016 10:16:42 AM
Creation date
11/26/2007 4:10:09 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1981010A
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
A Review of Potential Alluvial Valley Floors & Possible Impacts
Section_Exhibit Name
APPENDIX H Section 1
Media Type
D
Archive
Yes
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• <br />zones are perched or transient water bodies of very limited extent <br />and cannot be termed aquifers as defined in 30 CFR 701.5 as "a <br />zone or stratum or group of strata that can store and transmit <br />water in sufficient quantities for a specific use." <br />4.2.2 Twenty Pti1e Sandstone P.auiEer <br />The Twenty Mile Sandstone has been tested and appears to conduct <br />a good amount of water in the Craig area. The unit is more per- <br />sistent laterally than any other bed in the Williams Fork Forma- <br />tion. It is considered the first aquifer benearth the mine plan <br />area Chat satisfies the OSM definition. <br />~{ <br />4.2.3 Trout Creek Sandstone Aquifer <br />The Trout Creek Sandstone lies directly beneath [he Williams Fork <br />Formation. This massive sandstone unit has not been tested but <br />probably carries large quantities of water. However, due to its <br />depth and separation from mining activities by both aquitards <br />(upper and lower Williams Fork Formations) and an aquifer in <br />between (the Twenty Mile Sandstone) [he unit will not be <br />affected. <br />r' <br />-28- <br />
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