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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Bill Ritter, Jr. <br />Department of Natural Resources <br />Governor <br />1313 Sherman St., Room 215 <br />James B. Martin <br />Denver, Colorado 80203 <br />C O L O K A D O <br />TO: Joe Dudash <br />D I V I S I ON OF <br />Phone: (303) 866 -3567 <br />RECLAMATION <br />FAX: (303) 832 -8106 <br />MINING <br />DATE: August 13, 2010 <br />INTEROFFICE MEMORANDUM <br />SAFETY <br />SUBJECT: Bowie No. 1 Mine, Permit No. C-81-038, Permit Revision No. 4 <br />As requested I have reviewed Permit Revision No. 4 regarding transfer of a large portion of the <br />Bowie No. 1 permit area to Bowie No. 2. You specifically requested that I look at ground water <br />information contained in the revision application. There is no plan for continued monitoring of deep <br />bedrock groundwater because Bowie No. I was granted a significant monitoring reduction plan in <br />1993 with TR -24 as indicated in the application. Some shallow alluvial and colluvial wells and <br />selected springs will continue to be monitored. The application states that there were discussions <br />between BLM, CMLRD, and the operator and a significant reduction in the groundwater hydrology <br />monitoring program was addressed and approved. As stated on page 122 of the application, <br />selected springs, deep bedrock groundwater monitoring wells, and shallow alluvial monitoring <br />wells were removed from the program. <br />Given this current plan, my main concern after reviewing the application is the presentation of the <br />information regarding deep bedrock groundwater. Some of the text regarding the deep bedrock <br />groundwater descriptions and specifically the baseline data collection could be better described and <br />clarified which may prove to be useful for the transfer of groundwater monitoring and associated <br />liability to the Bowie No. 2 permit. Keep in mind that the text that I refer to below has already been <br />approved by our Division so we should probably discuss my cormnents after you have had a chance <br />to review them before forwarding them on to the operator. <br />In reference to Table 4B seven wells are identified as being completed in the coal member of the <br />Mesaverde Fonnation; however, none of them are presently monitored. I have briefly looked <br />through the older AHRs to determine how these wells have been utilized in the past and there is <br />some water level data available for some of these wells (DH -60 and DH -65) but I have had <br />difficulty locating any water quality information. The text describing deep bedrock groundwater <br />monitoring is somewhat unclear as described below in Comment 2. <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines <br />Bill Ritter, Jr. <br />Governor <br />James B. Martin <br />Executive Director <br />TO: Joe Dudash <br />Loretta E. Pineda <br />Director <br />FROM: Mike Boulay PO <br />DATE: August 13, 2010 <br />SUBJECT: Bowie No. 1 Mine, Permit No. C-81-038, Permit Revision No. 4 <br />As requested I have reviewed Permit Revision No. 4 regarding transfer of a large portion of the <br />Bowie No. 1 permit area to Bowie No. 2. You specifically requested that I look at ground water <br />information contained in the revision application. There is no plan for continued monitoring of deep <br />bedrock groundwater because Bowie No. I was granted a significant monitoring reduction plan in <br />1993 with TR -24 as indicated in the application. Some shallow alluvial and colluvial wells and <br />selected springs will continue to be monitored. The application states that there were discussions <br />between BLM, CMLRD, and the operator and a significant reduction in the groundwater hydrology <br />monitoring program was addressed and approved. As stated on page 122 of the application, <br />selected springs, deep bedrock groundwater monitoring wells, and shallow alluvial monitoring <br />wells were removed from the program. <br />Given this current plan, my main concern after reviewing the application is the presentation of the <br />information regarding deep bedrock groundwater. Some of the text regarding the deep bedrock <br />groundwater descriptions and specifically the baseline data collection could be better described and <br />clarified which may prove to be useful for the transfer of groundwater monitoring and associated <br />liability to the Bowie No. 2 permit. Keep in mind that the text that I refer to below has already been <br />approved by our Division so we should probably discuss my cormnents after you have had a chance <br />to review them before forwarding them on to the operator. <br />In reference to Table 4B seven wells are identified as being completed in the coal member of the <br />Mesaverde Fonnation; however, none of them are presently monitored. I have briefly looked <br />through the older AHRs to determine how these wells have been utilized in the past and there is <br />some water level data available for some of these wells (DH -60 and DH -65) but I have had <br />difficulty locating any water quality information. The text describing deep bedrock groundwater <br />monitoring is somewhat unclear as described below in Comment 2. <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines <br />