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<br />fanHary 1998 Xerr Coal Company • 1997Annual Hydrology Report' CO Permit No. C-80-006 I I <br />• <br />1.0 OPERATIONAL CONDITIONS <br />Active mining and coal production ceased on January 21, 1993 and all overburden has been <br />returned to Pit 1 and the 720 Pit. The only activities now being conducted are revegetation, <br />maintenance, and reclamation permit compliance activities. <br /> <br />n <br />L J <br />ve\ivr Yb ANNUALItPTHYpRO FNL TerraMatriz lnc. "l?O. Bax 774018'Steamboat Springs, Colorado 80477'(970)87962601 <br />