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Page 2 <br />November 3, 2014 <br />Mr. Eric Scott <br />Colorado DRMS <br />bedrock underlying the mine is approximately 8 -19 feet below existing ground surface. <br />Boring data also indicates the groundwater surface is located approximately 2 -9 feet below <br />ground surface. <br />Proposed mine highwalls will be approximately 9 -17 feet tall, and will be reclaimed at a 3:1 <br />(H:V) slope. Highwalls will also be sealed with a low permeability barrier (LPB) <br />constructed of overburden gathered from the Three Bells Mine. Existing reservoir slopes <br />will become mine highwalls during operation and will be reclaimed to a Colorado SEO <br />recognized stable slope after mining operations have been completed. <br />Known Man -Made Structures within 200 feet of Mining Limits <br />Known man -made structures within 200 feet of the proposed operation are listed below and <br />shown on Figure 1 through 4: <br />Supplied a structure agreement <br />Owner: Bayswater Exploration and Production, LLC <br />• 2 oil /gas wells <br />Owner: Larimer County <br />• E CR 32E <br />• Parking lot and concrete path <br />Did NOT supply a structure agreement <br />Owner: DCP Midstream <br />• Oil /gas pipeline <br />Owner: South Fort Collins Sanitation District <br />• Monitoring station <br />• Sewer line <br />Owner: John Graves <br />• Weir on the Greeley Number 2 Canal <br />• Residential farming structure <br />• 2 Bridges over the Greeley No. 2 Canal <br />Owner: William Graves <br />GEI <br />