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Sanborn Creek Subsidence Page 2 September 2, 1997 <br />{~ <br />L <br />rL <br />~L <br /> <br />r <br />,~ <br />L <br />r <br />J <br />U <br />L <br />L <br />;• <br />L• <br />r <br />Figure 1. Planned longwall panel layout. <br />or. <br />