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the permittee submit a statement insuring that all undisturbed, non-surveyed areas in the permit area would remain undisturbed, and that if previously unplanned surface activities became necessary in those areas, the permittee would submit a cultural resources survey and description of the proposed disturbance. An adequate archaelogical statement was subsequently incorporated into Appendix 5-2 of the application, thereby satisfying the requirements of the stipulation. An additional stipulation was attached to the initial 5-year permit approval regarding necessary actions to be taken if previously unidentified cultural resources were discovered during the course of mining. This stipulation is ongoing in nature and must remain in effect throughout the second permit term. STIPULATION N0. 1 IF DURING THE COURSE OF MINING OPERATIONS, PREVIOUSLY UNIDENTIFIED CULTURAL RESOURCES ARE DISCOVERED, THE PERMITTEE SHALL INSURE THAT THE SITE IS NOT DISTURBED AND SHALL NOTIFY THE COLORADO MINED LAND RECLAMATION DIVISION AND THE UNITED STATES OFFICE OF SURFACE MINING (OSM). THE PERMITTEE SHALL INSURE THAT THE RESOURCE IS PROPERLY EVALUATED IN TERMS OF THE NATIONAL HISTORIC PLACES ELIGIBILITY CRITERIA (36 CFR 60.61). SHOULD A RESOURCE BE DETERMINED ELIGIBLE FOR LISTING ON THE NATIONAL REGISTER, APPROPRIATE MITIGATION MEASURES WILL BE DEVELOPED AND IMPLEMENTED IN CONSULTATION WITH THE STATE HISTORIC PRESERVATION OFFICER (SHPO), THE BUREAU OF LAND MANAGEMENT (BLM), THE OFFICE OF SURFACE MINING (OSM), AND THE MINED LAND RECLAMATION DIVISION (MLRD). Mining operations proposed during the second permit term are within the area encompassed by the previous archaeological surveys; therefore, no new archaeological surveys will be required, except as provided for in Appendix 5-2 of the revised permit application. Based upon a review of the information provided in the revised permit application, the Division finds that the proposed mining operation will not adversely affect any publicly owned park or place listed on the National Register of Historic Places. With the continued acceptance of the above stipulation, the operation is in compliance with the requirements of this section. IV. Geology - Rules 2.04.5 and 2.04.6. Detailed discussions concerning the geology of the Seneca II Mine site and the geochemistry of the overburden, interburden and coal may be found in Volume II, Tab 6 of the original permit application and in the permit renewal Second Adequacy Review responses. The Seneca II Mine site is located on the Tow Creek anticline, a local structure within the regional Sand Wash structural basin of northwestern Colorado and south central Wyoming. Exposed strata near the mine site vary in age from late Cretaceous to Quaternary. Most units in the area are marine and non-marine sediments, however, some T4iocene extrusives are locally present. -B-