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COLORADO LEGACY LAND <br />4601 ATC Boulevard, Suite 130, Denver, CO 80237 <br />T. (303) 861-3928 <br />April 30, 2018 <br />Mr. Michael Cunningham <br />Division of Reclamation, Mining, and Safety <br />RECEIVED <br />MAY 0 8 2018 <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 OMSION OF RECLAMATION <br />Denver, CO 80203 MINING AND SAFETY <br />Subject: Schwartzwaider Mine, Permit No. M-1977-300, Water Quality Data and Mine Pool Level <br />Measurements for March 2018 <br />Dear Mr. Cunningham: <br />Enclosed please find monthly water quality monitoring results and daily mine water level measurements for <br />the month of March 2018. This submittal represents the continuation of routine monthly reporting of water <br />quality monitoring results and daily mine pool elevations. A review of the March 2018 data indicates that <br />uranium concentrations at SW -BPL were all below 30 pg/L. Furthermore, arsenic was not detected at SW - <br />BPL. Due to the size of the data flies, an email transmission is not possible. Therefore, the monthly surface <br />water data, groundwater data, and mine pool elevation data may be downloaded from the following web link: <br />h1Sl�.�+1 �;,�itr�usa.I�sti��'t�m1w1_���bi'mhl0�f4hb�nn�5cti�+�b139no7ir <br />If you have any questions regarding this deliverable, please do not hesitate to contact me. <br />Sincerely, <br />Jim Harrington, Managing Director <br />COLORADO LEGACY LAND <br />lim(&ColoradoLegacy.Land <br />Distribution List: <br />Dan Arnold, Denver Water, 1 electronic copy via weblink, Daniel.Arnold(&DenverWater.ore <br />Eric Mink, CDPHE, 1 electronic copy via weblink, Eric.MinkOstate.cn.us <br />Michael Cunningham, DRMS,1 electronic copy via weblink and 1 hard copy via FedEx, <br />Billy Ray, AWE,1 electronic copy, <br />Pa== 1 C. 1 <br />