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EXHIBIT C - MINING PLAN <br />1. General Plan <br />Colorado Stone Quarries (CSQ) acquired the assets of Sierra Minerals on April 26, 2004 and continued <br />the same operations. The Mining and Reclamation Permit as well as all other permits and a long term <br />lease from OMYA. Inc. was transferred to Colorado Stone Quarries. The Division of Minerals and <br />Geology (now DRMS) approved the transfer from Sierra to Colorado Stone on May 28, 2004. <br />The actual mine design is under review by Golder and Associates and we anticipate no change in the <br />mining technique itself. The underground room and pillar plan will be developed by Golder to provide a <br />design to provide for safe and long-term operation of the underground quarry. The marble blocks are <br />mined with large diamond saws with water applied for cooling and dust control. The blocks are removed <br />from the mine and hauled to the load out area in the Town of Marble. <br />The quarry is an underground operation and will remove material from areas already developed in the <br />marble seam underground. There are existing waste marble piles that remain from prior operators as <br />well as Colorado Stone Quarries in the past five years. These areas are shown on Map C-2. <br />CYMC's activities involved the construction of the private access road, extension of existing waste <br />piles, construction of access roads on the existing waste piles, and construction of storm water control <br />features. <br />Productions rates anticipated by Colorado Stone Quarries should reach 3200 tons of marble annually, <br />with about the same amount of waste blocks, and 100 tons a year of fines. The fines will be small, less <br />than 50 mesh, and will be high in moisture content (higher than 50% moisture) when placed upon mud <br />drying dumps. The materials will be blended in the dumps to prevent the fines from causing sediment <br />run off, and wind dispersal. The sediment system redesigned for the 2010 Amendment will ensure that <br />fines do not leave the permit area. Some of the waste materials may be removed from the site if suitable <br />uses and markets can be developed for them. <br />Yule Quarry April 10 14