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• Secondary Decline Dimension (L *W *H) <br />• Rock Density (Sandstone @ 145 lbs. /ft) <br />• 2000 Ibs /ton <br />Liberty Mining, LLC <br />DRMS 110 -d Permit Application <br />October 2013 <br />[(10' * 12'- 500) * 145 lbs. /ft3] / 2000 Ibs. = 4,350 tons <br />The current estimated surface area required for mined overburden to reach the ore body: <br />85'W x 145'L x 20'H = 12,325 ft2143,560 ft2/ acre = 0.28 acres. <br />Upon reaching the ore body, the amount of waste rock stockpiled will be reduced as a relatively <br />large portion of waste rock and overburden material will be gobbed in the underground workings <br />and placed in non - producing portion of the mine. <br />Pursuant to the requirements of DRMS Rule 6 relative to the 110 -d permit, the mine operations <br />will extract less than 70,000 tons per calendar year while maintaining affected acreage less than <br />10 acres for the life of the mine. Anticipated mining operations indicate production rates of ore <br />and minerals at the Liberty Mine to be 45 to 65 tons per day. On average, waste rock and <br />overburden extraction rates will not exceed 225 tons per day. The maximum extraction rate for <br />the combination of both marketable ore and waste rock is estimated to be 275 tons per day. <br />Based on a 5 day work week and 50 weeks per year, the anticipated annual material extracted <br />is 68,750 tons. Variations in working times, weather conditions, extraction rates and seasonal <br />mining activity will determine the daily extractable rates within overall annual limits. <br />C (9.d) Ore Body Thickness <br />Based on recent geologic exploration borings, the ore body thickness is anticipated to range <br />from 10 to 40 feet in thickness. The configuration of the ore body will have natural variations <br />and inconsistencies in thickness and connectivity. <br />C (9.e) Major Components of Mining Operations <br />Mine operation support structures and equipment used in the Liberty Mine surface operations <br />will be portable. There will be no permanent man -made structures; any concrete pads will be <br />demolished and disposed of either in the underground mine or off site during reclamation. <br />These types of structures and equipment are common in the support of small mining operations. <br />Building foundations are not required for the support structures necessary for the proposed <br />mining operations. Structures and equipment may include but are not limited to the items listed <br />below in Table C (1.e) "Surface Structures and Equipment ". <br />Table C (9.e) — Surface Structures and Equipment <br />Description <br />Description <br />Units <br />Watertight containers 20' x 8' x. 8' <br />Shop /storage & office <br />i <br />2 <br />Mine operations non - potable water tank <br />3,000 gallon <br />1 <br />Air compressor <br />400 -950 CFM <br />1 <br />Diesel powered generator <br />2 <br />Liberty Vning, LLC Mcab, Utah SMA Ref. 5821897 Page 18 <br />