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• • ett • iii iiiiiiiiiiiiiiii <br />G y <br />Gelty Oil Company I 23385 Routt County Road 33.Oak Creek. Colorado 80467 • Telephone (303) 879-4426 <br />April 14, 1983 <br />k.~ ... ..,.- . .-.. <br />Ms. Sandy Emrich <br />Colorado Mined Land Reclamation Division N+ ~~ ~ 1~~a3 <br />423 Centennial Building <br />1313 Sherman Street lf;;;~.n i ; ~,!.~ ~ ;- !_'_' `.'; 1'`..1?•1 <br />Denver, Colorado 80203 Ccl~. p;;~;!, ~; i~!3'.C;4:. +...--_.-:. <br />RE: Foidel Creek Mine Permit Revision Application C-056-82 <br />Dear Sandy: <br />The enclosed material is in response to an April 11, 1983 telephone <br />conversation between Roy Cox of the CMLRD and Jeff Saunders of Getty, <br />concerning additional data utilized in the groundwater modeling analysis presented <br />as part of the Permit Revision. <br />Included in this submission is: <br />Table 18c: Actual vs. Model Permeabilities <br />Figure 12c: Groundwater Model Grid System <br />Figure 13c: Calibrated Piezometric Surface Contour Map <br />Figure 14c: Piezometric Surface Contour Map From Observed Data <br />Revised Pages: 2.05-47b,2.05-49a and 2.05-53b <br />Note: The revised material will be printed in "bold" lettering <br />to denote the portion which has been revised. <br />1 invite any of your staff reviewing this application to contact Jeff Saunders or <br />me with any questions or requests they may have concerning this material. <br />Your time and consideration in this matter is greatly appreciated. <br />Sincerly, <br />~~~. ~~ <br />D. Larry Damrau <br />~~ <br />DLD/fc <br />