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~~ <br />~, ~ ~ Northern <br />Coal <br />\.~ Company <br />July 22, 1981 <br />T0: Diane Ceyer <br />FROM: John Bailey <br />RE: Northern Pond C Subsidence Monuments <br />"COLORADO STATE COORDINATES NOR711 ZONE" <br />7,500' Datum <br />Mocli(ying factor is 0.4946067 <br />Subsidence <br />- Monument 11 Northing Fasting Elevation <br />1 298,615,46" ], 3r+fl,320.34" 7,]45.44' <br />2 298,614.08 1,348,310.11 7,142.51'` <br />3 298,612.92' 1,348,301.13` 7,]39,84'` <br />Horizontal control is based on Point - X (2y7,711,34, 1,348,550.14) <br />and point Fred (297,352.00,/ 1,348,832.46). Vertical control is <br />based on TBM Toot + ( 7 ,141 .OS'.) <br />Survey was originally done on July ]6, ]981. <br />The notes arc recorded in Book 39 on pages 23 through 25. <br />»'. <br />John Bailey <br />JB/of ~\~- <br />