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REP42036
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Entry Properties
Last modified
8/25/2016 12:43:51 AM
Creation date
11/27/2007 9:10:57 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Report
Doc Date
9/4/1997
Doc Name
1997 Mid-Year Subsidence Report
From
Mountain Coal Company
To
DMG
Permit Index Doc Type
Subsidence Report
Media Type
D
Archive
No
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1997 Mid-Year Subsidence Report Page 2 <br />September 4, 1997 <br />1 SE longwall panel. Development will continue in these areas. A detailed mine map <br />is included with the 1996 Annual Hydrology Report. <br />Visual surveys of the area were conducted by MCC's contract surveyors while <br />surveying the grid shown on Map 29. MCC's contract hydrology monitoring <br />personnel are also in this area. No new subsidence features were observed. A visual <br />survey of the Jumbo Mountain azea was conducted by MCC surveyors while <br />surveying the photo control points shown on Map 30 and by MCC's contract <br />hydrology monitoring personnel. The Division has also visited this area in August <br />1997. It was noted that the land slide continues at "Muffler Rock", located in the SW <br />'/., Section 24, T13S, R91W, 6'h PM. It was observed that small cracks located south <br />of panel point (PP) 7 had completely healed and were no longer visible. The larger <br />cracks located on the dirt road east of PP8 have sloughed, filled and healed, but are <br />still approximately 3 feet deep and 3-4 feet wide. There are a series of cracks located <br />in the SW 1/4, Section 24, T13S, R91 W, 6`h PM, which are healing. One area bulged <br />approximately 1 foot. A series of new cracks were found approximately 300 feet <br />west ofPP10, SE1/4, Section 19, T13S, R90W, 6th PM. These cracks run <br />approximately north to south and were 1 foot deep and 1 foot wide. It was noted <br />that there was an increase of surface water throughout the entve flight area than ever <br />noted before. <br />Please call if you have any questions. <br />Christine E. Johnstoi <br />Permitting Specialist <br />cc: Kathy Welt <br />97midyrdoe <br />
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