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REP52801
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REP52801
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Entry Properties
Last modified
8/25/2016 12:57:18 AM
Creation date
11/27/2007 1:28:32 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Report
Doc Date
9/30/2004
Doc Name
Subsidence & Geologic Field Observ Apache Rocks & Box Canyon 7/2004
From
Wright Water Engineers Inc
To
DMG
Permit Index Doc Type
Subsidence Report
Media Type
D
Archive
No
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Subsidence and Geologic Field Observations <br />Apache Rocks and Box Canyon Mm~ng Areas <br />July 12-15. 2004 <br />f " <br /> <br />Flgura 19. A small subsidence crack Is the only uack visible in friable sandstone above mined longwall <br />panel 13. All other cracks have heatetl under the forces of sbughing, erosion, and deposition. The linear <br />zone located a foot or so to the lelt of the crack is believed to bo a healotl crack. <br />4.3.6 Traverse R-R' <br />Phis traverse by vehicle begins un the main access road near Apsdu Ru.ks and ends at a cattle <br />guard with a sign indicating the beginning of private land. <br />• The traverse extends northward across mined-out longwall panel 12, thence shove the cast- <br />west-trending main haulage and access entries, thence southward above the western pan of <br />longwall panel 12 snd the northcsstem part of mined-out longwall panel 13. <br />• The material encountered wus primsrily colluvium and soil, and occasional sandstone snd <br />siltstunc of the Barren Member of the Mesaverde Fomtation. <br />• Overburden thickness to the B Swm ranges from I,I50 to 1,350 feet. <br />• No subsidence tcInures nacre ohscrved. <br />837.032.610 Wrlght Water Engineers. tnc. Pape 36 <br />September 2004 <br />
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