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Memorandum to Henry Barbe <br />' September 27, 2000 <br />Page 13 <br />' Location 19. Located at the forks of the main drill road past Apache Rocks and awell- <br />used cattle and game trail. <br />' • This is the point of beginning of afoot-traverse to Location 20 above longwall panels 12 <br />and 13. <br />' Location 20. Located at dry pond at the intersection of two main upper forks of Horse <br />Gulch. Point is located in silty clay soil and alluvium above mined-out <br />' longwall panel 13. Projected overburden thickness to B-seam is about 900 <br />feet. <br />' • No subsidence features were observed on traverse by foot along cattle and game trails <br />from Location 18 (located on main drill road) to Location 18-A above longwall panels 12 <br />and 13 (both mined out). <br />' • Two ponds north of Location 20 are also dry-attesting to the very dry spring and <br />summer this year. <br />' C:\$31-032\540tlo\Subsidrnce Repon.doc <br /> <br /> <br />1 <br />1 <br />1 <br />1 <br /> <br />' Wright Water Engineers, Inc., 2490 W. 26'" Avenue, Ste. 100A, Denver, CO 80211 <br />Tel. 303/480-1700; Fax. 303/480-1020, e-mail:knvright@wrightwater.com <br />1 <br />