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'~~ ~ ~ IIIIIIIII <br />STATE OF COLORADO 991111111111 <br />Land Reclamation Board <br />Department of Natural Resources <br />1845 Sherman Street <br />Denver, Colorado 80203 <br />• <br />ADENDUM TO: Specif.i cation Aggregates, Inc. <br />Application for Conversion of Existing <br />Permit to Permit for Life of the Mine <br />GVERBURDE N: <br />~~ - ~/ <br /> <br />In paragraph 10. h. of the Application, the narration for <br />Exhibit B paragraphs e. and g., narration for Exhibit C, and <br />in a portion of Exhibit N references are made regarding the <br />overburden of the affected area. Overburden, as it applies <br />to this mining operation and in accordance its definition in <br />Title 39, Article 3? Section 103 paragraph (11) will almost <br />in its entirety be ~:onsumed in the manufacture of construction <br />materials. Consequently, there is in essence vertually no <br />overburden of consec;uence which is or will become a factor in <br />this mining operation. The average depth of material lying above <br />the crystalline roc}: formation is less than 12 inches. There are <br />a few isolated pockets of soil, which consitutes a small part of <br />the overburden, that: are being removed and stock piled for future <br />use as top soil. Generally these areas provide less than two <br />feet of material su_.table for removal. This soil is intermixed, <br />in earring quantitiE:s, with decomposed crystalline rock. it is <br />hoped that perhaps ~i 1000 tons of this material can be accumulated <br />during the life of +:he mine. <br />DEPTfI AND THICKNESS OF THE ORE BODY: <br />The depth and thickness of the ore body "Precambrion Crystaline <br />Rock" is infinite, i~ut for the purpose of this mining operation <br />the reclamation plan proposes to reduce the existing surface <br />elevation to a nominal elevation of approximately 6500 feet in <br />the extraction area. This .will provide a maximum thickness of <br />about 400 feet and ei minimum thickness of 20 feet of material <br />to be extracted. Petragraphs 10. h., 10. j., 11. a. ("Exhibit <br />A", "Exhibit A-1" aid "Exhibit A-2") and the narration for <br />marked "Exhibit B-1", of the application, each allude to the <br />depth and thickness of the ore body. <br />PRESENT V$GETATION P1APS: <br />A vegetation map marked "Exhibit N-1" is submitted herewith in- <br />dicating the predom~_nate vegetation species. This map has been <br />prepared with assisl:ance and information provided by the <br />United States Department of Agriculture, Soil Conservation <br />Service. <br />Ph AND CONDUCTIVITY OF SOIL: <br />Also provided by the' Soil Conservation Service is the information <br />that the soils with..n the affected area have a Ph of 6.1 to 7.8 <br />and Conductivity of <br />-~ <br /> <br />- r. <br />