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MINED LAND RECLAMATION DIVISION <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, CO 80203 <br />303 866-3567 <br />FA%: 303 832 8106 <br />III IIIIIIIIIIIIIIII <br />999 <br />STATE OF COLORADO <br />pF' COQ <br />~~~~R9 <br />„e ~<.$ <br />A <br />.,~~~~ <br />~ 1876 ~ <br />Roy Romer, <br />Governor <br />Fred R. Banta, <br />Division D.rector <br />DATE: January 18, 1990 <br />T0: Cathy Begej and Jeff Clayton <br />FROM: Tim King <br />RE: Annual Hydrology Report, Marr Mine, C-80-006 <br />On this date I revised the AHR submitted by Kerr Coal Company for the Marr <br />Mine. I broke the review down into three categories: <br />1. Monitoring frequency <br />2. Wells monitored <br />3. Compliance <br />rU' findings follow. <br />1. All the wells that were monitored were done so appropriately. That <br />is, for a certain type well, a certain monitoring frequency had to <br />be conducted. These frequencies were either quarterly, annually, <br />or weekly during spring months, monthly, or bi-annually. The <br />parameters within each frequency were also monitored appropriately. <br />2 <br />3 <br />All wells were monitored with the exception of: DH-6; 79-3;, <br />79-40; 79-47; 79-48. The list that you supplied included these <br />wells. No mention of them was made in the AHR. <br />The following chart includes those parameters that were out of <br />compliance, the location, the date, and the section of the AHR. <br />a. Coal Aquifer WQA <br />Location <br />79-27 <br />79-32 <br />b. Overburden WQA <br />All in compliance <br />Parameter Date <br />Manganese 10/3/88, 4/19/89 <br />Manganese 10/3/88, 4/19/89 <br />