2016-10-14_REVISION - M1977205

• Permit No: M1977205
• IBM Index Class Name: Revision
• Doc Date: 10/14/2016
• Doc Name: Application
• From: Oldcastle SW Group, Inc. dba United Companies of Mesa County
• To: DRMS
• Type & Sequence: AM2
• Email Name: DMC
• Email Name: GRM
• Media Type: D
• Archive: No

Annual evaporative depletion at mining completion from 70.75 acres of exposed water surface at
the Tri County Pit is calculated to be 220 acre-feet.
Total annual depletions from the gravel mining operations are estimated to be 220 acre-feet
during the post mining phase of the operation.
Tri County Pit Sept 2016 G-4