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t <br />;Map 28 - Topsoil Handling South <br />iMap 32 - Surface Water and Groundwater Quantity and Quality <br />Map 37 - Water Monitoring Sites for Permit No. CO-81-019 <br />Exhibit 7 - Hydroloay <br />Table of Contents <br />Item 8 - Design of Surface Runoff control Structures, <br />Permit Revision, 1991 <br />Item 9 - Hydrologic and Erosional Characteristics of <br />Regraded Surface Coal Mine Land in Colorado, <br />Striffler and Rhodes, 1981. <br />Item 10 - Modification of both Surface Water Monitoring <br />and Alluvial Groundwater Monitoring Locations, <br />1991. <br />The last item to be addressed is the subject of i:he permitting <br />of two excess spoil valley fills. During the joint meeting of <br />November 19, 1991 attended by representatives of Colowyo, CMLRD, <br />OSM WSC and OSM WFO, we agreed that further information would be <br />submitted specifically addressing Rule 4.09.2(3)(a,b,c,d) and Rule <br />A.09.2(2) underdrains. Colowyo's responses will be forthcoming <br />under separate cover. <br />Copies of these PAR responses will also be forwarded to the <br />appropriate OSMRE, BLM and Moffat County offices. <br />Should the Division require any further information, please <br />contact me at your convenience. <br />Sincerely, <br />C/~iP,~ ~i~'7C"~i9 ir1' <br />James A. Kiger <br />Sr. Environmenta]. Specialist <br />JAK/gdf <br />attachments <br /><:c: R. G. Atkinson <br />Central Files <br />