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FORM 10-K
EXHIBIT 13.1
EXHIBIT 21.1
EXHIBIT 23.1
EXHIBIT 23.2
EXHIBIT 31.1
EXHIBIT 31.2
EXHIBIT 32.1
EXHIBIT 32.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
12 Months Ended
Dec. 31, 2015
Schedule of Property, Plant and Equipment, Estimated Useful Lives [Table Text Block]
Estimated Useful
Asset Categories
Lives in Years
Furniture, vehicle and other equipment
3 to 5
Power plant, buildings and improvements
3 to 30
Wells
30
Well pumps and components
5 to 15
Pipelines
30
Transmission lines
30