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6.4.4 Exhibit D <br /> Mining Plan <br /> The J&] Stone Pit #1 target sandstone deposit lies within the Travesilla-Rock outcrop <br /> complex in Fremont County, CO, north of Canon City. The Fremont County Soil <br /> Conservation Survey states little to no topsoil, overburden or vegetation is present in an <br /> area where the land is steep and rocky. The target deposit is approximately 20 feet <br /> deep with more sandstone bedrock below the target deposit. The primary commodity is <br /> dimensional landscape sandstone. <br /> The mine operates on an as-needed basis For KrauthCo Inc, landscape projects and <br /> clients. The mine operates year round with minimal closers, less than 21 consecutive <br /> days, for equipment maintenance and personnel vacations. Mining may occur Monday <br /> thru Friday from sunrise to sunset. The mine is a low production operation, mining less <br /> than 70,000 tons per year. <br /> With this amendment KrauthCo extends the permit boundary to encompass 115 <br /> acres. Mining will progress through the sandstone outcrops in 15-acre phases. Bond <br /> will be posted by 15-acre phase with each phase evaluated prior to commencement of <br /> mining for vegetation disturbance and potential need to adjust bonding. Two phases are <br /> delineated in Exhibit C. The Division will be notified of subsequent phases within the <br /> Affected Area Boundary by submission of a Technical Revision. Each 15--acre phase has a <br /> life expectancy of eight years. The life of the mine is approximately 40 years. <br /> Mine development will occur as a maximum gauge of 10 vertical feet with 8 horizontal <br /> feet benches along the reserve outcrop highwall. Progressing from north to south, <br /> material will be removed from the outcrop face, forming a ten foot highwall. At this <br /> point an eight foot bench will be excavated and a subsequent ten foot vertical highwall <br /> will be mined, through the deposit to a depth of 20 feet. The mine will daylight to the <br /> south and west from each sandstone ridge. Mining will not occur within any ravines but <br /> the sandstone outcrop, the target reserve, is adjacent to the ravine. During substantial <br /> precipitation events, the ravine stormwater flow may spill onto the target outcrop. <br /> Historic drainage of stormwater flows will be maintained during mining. This will be a <br /> dry mining operation and mining operations will be consistent throughout the life of the <br /> mine. <br /> Lasing skidsteers and loaders sandstone slabs are lifted from the deposit and <br /> transported to the staging area where the stone is sorted by size and palletized. The <br /> sorted stone is loaded onto trucks or flatbed trailers and hauled to project sites or <br /> KrauthCo Inc.'s equipment storage yard at 1068 Red Canyon Road, Canon City, CO. In <br /> the event topsoil or overburden is encountered, the material will be stockpiled for use <br /> during reclamation. At the end of a phase, prior to reclamation, any stockpiled rubble <br /> may be crushed and sized for resale using a third party crushing company's portable and <br /> temporary equipment. The plant will be set up and operated within the staging area. <br /> 4 <br /> Revised February 10, 2017 <br />