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PERMIT #: M-1987-074 <br />INSPECTOR'S INITIALS: SJM <br />INSPECTION DATE: August 29, 2018 <br />OBSERVATIONS <br />This was a monitoring inspection of the Dotsero Quarry; M-1987-074 operated by Mayne Block and Stone <br />Company. This site is located 2 miles northeast of Dotsero, Colorado in Eagle County. I, Stephanie Mitchell of <br />the Colorado Division of Reclamation, Mining and Safety conducted the inspection. Ms. Jessica Lopez -Pearce <br />of the Bureau of Land Management accompanied me on the inspection. <br />This is a 13 acre 112c mining operation for sand and gravel with a maximum allowed disturbance of 13 acres. <br />The current disturbed acreage is appears to be right at 10 acres. The Division currently holds a financial <br />warranty amount of $100.00 and $12,273.51 for this site and is adequate at this time. The BLM holds a <br />financial warranty of 34,500.00. <br />A mine identification sign was in place at the entrance to the mine site, but was riddled with bullet holes. <br />Permit boundaries were also missing to clearly mark and delineate the permit area. This is noted as a problem <br />at the beginning of this inspection report. <br />The Division requests that a new map delineating the new permit boundary be submitted. There are some <br />discrepancies in the exact boundaries with an Acreage Release approval in September of 2017. The map <br />submitted with that release and the annual map from 2017 do not match. This is considered a problem at the <br />beginning of the inspection report. <br />There is a very large population of Common Mullein, Halogeton, Flodmans Thistle and Kochia within the <br />permit area. This is noted as a problem at the beginning of the inspection report. The Operator must combat <br />invasive weed species per Rule 3.1.10 (6). All weed spraying must be in compliance with State and Federal <br />Regulations. <br />The area is used heavily by OHV's. The OHV tracks are on the reclaimed slopes. The Division encourages the <br />Operator to work closely with the land manager to develop a plan that minimizes public access to the area. <br />There is no equipment or fuel stored on site. <br />Responses to this inspection report should be directed to Stephanie Mitchell at the Division of <br />Reclamation, Mining & Safety, Grand Junction Field Office, 101 South 3rd Street, Room 301, Grand <br />Junction, Colorado 81501, phone number 970.242.5025. <br />Page 3 of 6 <br />