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L <br />1 <br />• ^III IIIIIIIII IIII III <br />Getty 999 <br />Getty Oil Company <br />23385 Routt County Road 33, Oak Creek, Colorado 80467 • Telephone (303) 879-4426 <br />April 14, 1983 <br />n x,~. i <br />Ms. Sandy Emrich APR 1 Q 1983 <br />Colorado Mined Land Reclamation Division <br />423 Centennial Building <br />1313 Sherman Street MIrIE'~ L^.P:'1 R'~C! .•"~;.''.?.TIO~J <br />Denver, Colorado 80203 Colo. kepi. o' P!ai~~re.~ R.~s^^~ces <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 />I 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 />DLD/fc <br />