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'L ITERLING READY-MK' CRETE CO. <br /> STERLING. COLORADO 80751 <br /> February 12 , 1993 <br /> RECE <br /> Mrs. Barbara Chiappone <br /> Division of Minerals and Geology FEB 16 ]993 <br /> 1313 Sherman Street Suite 215 <br /> Denver, Colorado 80203-2273 MINERALS <br /> V po;"; <br /> RALS <br /> Dear Mrs. Chiappone: <br /> Re: Annual Report, St y-Mix Concrete Co. , Inc:. , <br /> Riverside Pit MLR No. M-76-056 <br /> FEDERAL TAX IDS 84-0614537 <br /> Our files indicate that the anniversary date for this permit <br /> is February 22 , 1993 . The current bond amount is $15, 400, the <br /> permitted area is 46. 55 acres ± and the pit is not Phased. This <br /> pit HAS NOT been granted a Temporary Cessation and it HAS operated <br /> more than 180 days this year. Please refer to the map attached for <br /> the areas discussed in this report. <br /> We will deal specifically with each of the Annual Report <br /> questions as outlined in Section 2 .4 . 1 of the Rules and Regula- <br /> tions. <br /> 2 .4. 1 <br /> (1) Mining continued in LAKE MARJORIE, where mining originally <br /> began, increasing the lake from 4 . 30 ac. ± in 1990 to 4 . 90 ac. <br /> ± this year. We also increased the lake size in LAKE ROBERT <br /> from 5. 60 ac. to 10. 48 ac. We have not mined to total depth <br /> on LAKE ROBERT. The areas colored purple show where the new <br /> lake area is located in relation to the last years lake <br /> surface, blue. The new lake area in LAKE MARJORIE is in the <br /> area backfilled with sand left over when the courser material <br /> from LAKE ROBERT was mined in 1990. The plant site remains at <br /> 8.71 acres ± (brown) . There are three temporary sand stock- <br /> piles (orange) , two in LAKE ROBERT and one in LAKE MARJORIE. <br /> The sand piles cover a total of 6. 47 acres ± and will eventu- <br /> ally be removed as the demand for sand increases in our market <br /> area. <br />