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y `. • ~ ~ permit approval. Failure or relueal to remit any remainder of the contribution will result in the withdrawal o! say prevloua iasuea lease(s) or approval authorization. • Additional revisions to the above stipulation or new stipulations on the lease may be required at a future data pending the results of the formal coneultatlon. Mitigating Measures: The following Mitigation Measures will be Included ae lease etipulntionet A. No mining related dieturbaneee will occur within 100 feat of the outride line of the right-of-way of Colorado State Highway 133 ae shown on Appendix I - Mep 1. The angle of draw used to protect the State Highway from subsidence will be dictated by the approved CHLAD Mining and Reclamation Plan, (the estimated angle of draw ie 25 degreeB). However, mining related dleturbancae may occur if, after public notice and the opportunity for public hearing Sn the locality, n written finding ie made by the Authorised Officer that the interests of the public and the landowners affected by mining within 100 feet of a public road will be protected. B. A 1/8 mile buffer zone will be protected on either aide of the riparian zones along the North Fork of the Gunnison Rivsr and in Hawkaneet Canyon (Appendix I - Hap 2). No surface dleturbancae, except surface subsidence, will be permitted within these buffer sense unless no feasible alternativa^ exist. All unavoidable surface dleturbancae will require approval of the BLH'e Authorized officer. Tha 8LM will coordinate with the Fleh and Wildlife Service and the Colorado -ivision of Wildlife to determine the type and extent of allowable varlencaa. C. Power lines used in conjunction with mining of coal shell be constructed eo ae to conform with the publication Suaaeetad uracticee for Raptor Proteetlon on Power lines - The state of the Art in 1981, (Olendorff, et. al. 1981). • D. Approximately 6.6 acres (Appendix I - Mnp 4) of the proposed lease tract are located within the 100-year floodplain associated with the North Fork of the Gunnison River. These lends are unsuitable for coal mining. Because the review area ie crueiel winter range for elk (Appendix I - Map 3), coal related fseilities and surface disturbances will be authorised in the review area only if no feasible nlternetivee exist. Tha BLH will coordinate with the Colorado -ivieion of Wildlife to determine the type and extent of allowable variances. Coal exploration, facility construction, and major scheduled maintenance will not be authorised within these crucial winter ranges from December 1 through April 30. All unavoidable surface disturbances within these ranges will require approval of the aLH's Authorized officer. F. The construction of surface facilitisa shall be designed eo ee to avoid or mitigate all cultural resource sites especially SGN266. G. Because the presence of Grand Mesa Penetemon hoe bean documented in Hawkenest canyon, a Threatened and Sndangerad plant survey will be required prior to any surface disturbance. The following issuaa will be looked at during the mina plan stage: A. with respect to bald or golden eagle seats which may 6a established on the review area during the ilia of the project, the following shall be applied. No new permanent surface facllitiea or disturbances shell be located within a 1/4 mile radius buffer Bone around each bald or golden eagle nest site. No surface activities will be allowed within s 1/4 mile radius buffer cone around each angle neat alto from March 1 to July 1. Any proposed activities in, or ndiacent to, these buffer cones (except routine maintenance) will require approval from the BLM, on a Bite-specific basis, after coneultatlon with the • -.S. Fish and Wildlife service. _