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JSC, INC. VO-1 <br />P.O. Box 1153 <br />Meeker, CO 81641 <br />Phone (970) 878-5292 Fax (970) 979-5392 <br />August 9, 2010 <br />Travis Marshall <br />Environmental Protection Specialist <br />Division of Reclamation, Mining and Safety - Grand Junction Field Office <br />101 S. 3`d St. STE: 301 <br />Grand Junction, CO 81501 <br />7-'Atk <br /> <br />COP <br />WWI- V <br />?' AUG ! 2 2010 <br />Dori 61 P=; n, <br />Travis, <br />I am writing in response to your comments concerning the Rio Blanco County Spring Creek Gravel Pit <br />(File No. M-2010-024) dated July 30, 2010. Please see below for details on your individual <br />comments/questions. Thank you for your effort in this matter. <br />1. Per Rule 6.4.4 (d), please specify the size of areas to be worked at any one time. Also, please <br />provide an estimate of the periods of time which will be required for various stages or phases <br />of the proposed operation. <br />Response: It is estimated that no more than 4.74 acres of the actual pit will be disturbed at any <br />one time. The 4.74 acres will be mined over a 3.5-10 year period. Item No. 3, below, will <br />address the proposed reclamation process at the end of each 3.5-10 year period. <br />2. The proposed seed mix appears to be diverse, however incorporating native shrub species in <br />the seed mix may aid in the revegetation success. Some examples of shrubs that have had <br />success in similar settings as the proposed mine include Big Sagebrush, Rubber Rabbit brush, <br />Fourwing Salt bush and Greasewood. <br />Response: We will include Rubber Rabbit Brush, Big Sagebrush and Greasewood in the <br />revegitation seed mix proposed for the reclamation of the pit. <br />3. Per Rule 6.4.5 (2)(e), please submit a plan or schedule indicating how and when reclamation <br />will be implemented. Please include an estimate of the periods of time which will be required <br />for the various stages, or phases, of reclamation; a description of the size and location of each