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PEABODY <br />,WESTERN. <br />~II II~II~II~~I~~ ~II <br />999 <br />Peabody Western Coal Company <br />Ms. Susan Morrison <br />Reclamation Specialist <br />Colorado Division of <br />Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />~~'` <br />~; <br />'~~°R 221993 <br />ti-vs~n,; <br />April 20, 1993 ,,; , <br />CERTIFIED: P117945306 "'~' <br />i ~ ,•^~0 <br />9y <br />RE: Seneca II-W Mine (C-82-057) TR 19 Monitoring <br />Requirements <br />Dear ~,s. :4orrison: <br />Attached please find the results of the fourth monitoring <br />survey for stability monitoring points MS-i through MS-7 <br />near Pond 005. As you can see, the variation between <br />surveys is very slight and probably due to minor <br />surveying inconsistencies or possibly freeze/thaw cycles <br />uplifting the survey monuments. <br />Should you have any questions regarding this information, <br />please contact me. <br />Sincerely, <br />l/~_. W ~-w Y <br />Tom Wainwright, P.E. <br />Senior Engineer <br />swl <br />Attachments <br />c: C. McCulloh <br />G. Wendt <br />Peabody Wastam Coal Company • 1700 So~rh Yala SheN • Flogataff, Ari:ona 86001 • Tslphona (604) 774-3453 • Fa: (604) 777.4596 <br />