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2016-04-19_REPORT - C1980007 (6)
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2016-04-19_REPORT - C1980007 (6)
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Last modified
8/24/2016 6:20:56 PM
Creation date
4/20/2016 8:47:06 AM
Metadata
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Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Report
Doc Date
4/19/2016
Doc Name
2015 Subsidence Report
From
Wright Water Engineers, Inc
To
DRMS
Annual Report Year
2015
Permit Index Doc Type
Subsidence Report
Email Name
LDS
JRS
Media Type
D
Archive
No
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Fall 2015 Subsidence and Geologic Field Observations <br />South of Divide and Dry Fork Mining Areas <br />�v" <br />IN <br />a s - <br />Figure 3. Fall 2015 view looking west at a parallel set of subsidence cracks located where the <br />access road meets the MVB E5-20 pad. Four parallel subsidence cracks were observed in this <br />area all with an orientation of about N5°W. <br />Figure 4. Southwest to northwest panorama of the westernmost subsidence crack on the MVB <br />E5-20 pad. This crack has a nearly continuous length of about 135 feet and a maximum depth of <br />about 6 feet. <br />3.12 Traverse I -I' <br />Traverse I -I' (formerly Traverse P -P') originates in the Deer Creek drainage adjacent to the lower <br />stock pond (P74) and proceeds eastward, trending considerably north and then south, over mined <br />E -seam Longwall Panels E2, E3, and E4 and unmined E -seam Longwall Panel E5 (see Map 1). <br />E -seam overburden depths along this traverse vary from a low of 450 feet in the Deer Creek <br />drainage to more than 900 feet over E -seam Longwall Panel E5. <br />831-032.797 Wright Water Engineers, Inc. Page 12 <br />March 2016 <br />
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