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• (e) Larsen Colorado estimates that up to 500,000 tons of material will be mined, processed, and <br />shipped each yeaz. Phase I is estimated to contain up to 26,000,000 tons of material, and mining <br />in Phase 1 is therefore anticipated to occur over a 52 year mine life <br />(f) (i) Deposits to be extracted aze aninclined-surface dolomitic limestone bed of varying <br />thickness anticipated to be 30 to 50 feet thick and the underlying granite of undetermined depth. <br />The northeast flank of "Twin Mountain" to be mined was uplifted by an intrusive granitic <br />batholith, creating the curcent hogback slope. Both the limestone and granite are to be mined in <br />this operation. <br />(ii) Underlying material is currently unknown, but considered to be granite. <br />(g) The primary commodity to be mined and marketed is crushed and sized rock products. <br />Oversized blasted rock that will not 6t into the crusher jaw will be segregated, sorted, and <br />stockpiled, to be sold as rip rap of various specification dimensions. Rock products are to be <br />sold off-site on the open market for road and other construction, for asphaltic and Portland <br />cement concrete aggregate, and for decorator rock products. <br />(h) There is no secondary product. Crusher fines may be sold and also used to provide growth <br />medium for final reclamation of areas to be revegetated. <br />(i) Explosives will be used in each blast of the in-place limestone and granite deposits, but <br />• explosives will not be stored on-site. Blasting will be done by a licensed blasting contractor. <br />Offsite areas are not anticipated to be adversely affected by blasting. Please see the Geotechnical <br />Stability Exhibit for a discussion of blasting effects offsite. <br />• <br />