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' • • <br />~.~. TRAPPER IMINING INC. <br />July 29, 1988 <br />CERTIFIED P764980349 <br />Mr. Gregg Squire <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver. CO 80203 <br />Dear Gregg: <br />Subject: Minor Revision MR-74. Update of Hydrologic Sampling Sites. <br />This revision is submitted to add new hydrology sample sites at Trapper Mine. In <br />July, two new spoil monitoring wells were completed. Well GD-3 was completed in <br />Derringer Pit and well GF-11 in Enfield pit. Revised permit Table 2.7-20 is <br />attached reflecting the basic well data for the new wells and map M52 showing <br />their location. <br />Due to planned construction of the two East Pyeatt Gulch sediment control ponds, <br />Trapper needed to file for a NPDES designation for this drainage. Site nwnber <br />011 was assigned by the Colorado Department of Health, Water Quality Control <br />Division. A~revised permit table 4.8-Sb is attached reflecting this designation. <br />Thank you for your cooperation concerning this revision request. Please contact <br />me if you require additional information. <br />Best regards, <br />H. Bruce Humphries <br />Sr. Env. Engineer <br />LWH/jb[JUL29] <br />Enclosure , <br />pc R.L. Fanyo - '~'~ ~ <br />L.W. Henderson ~{UCj 4 1988 <br />file <br />[~SCL'~;1,'1;,i ~piN DIVIS(O:~ <br />P.O. Box 187 Craig, Colorado 81626 (303) 824-4401 <br />