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T4tq <br />NORwEST <br />CORPORATION I; Lo r!X1�1 <br />DIV810N OF <br />Peter E. Doumit M1mIriG A; .i!) <br />Geologist <br />January 30, 2015 <br />File No. 794 -2 <br />Mr. Travis Marshall <br />Environmental Protection Specialist <br />Colorado Division of Reclamation, Mining and Safety <br />101 South 3rd Street, Suite 301 <br />Grand Junction, CO 81501 <br />Colorado Division of Reclamation, Mining and Safety <br />Attention: Minerals Administrator <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Subject: /Responses to TOTAL Preas Exploration Notice <br />of Deficiency, DRMS File No. P- 2014 -022 <br />Dear Mr. Marshall, <br />Norwest Corporation ( Norwest) is submitting this document to the <br />Division of Reclamation, Mining and Safety (DRMS) on behalf of <br />TOTAL E &P USA Oil Shale, LLC (TOTAL). DRMS recently sent <br />TOTAL a Notice of Deficiencies (Notice) for the Preas <br />Exploration Project Notice of Intent to Conduct Prospecting <br />Operations (NOI), DRMS File No. P- 2014 -022. In the Notice, <br />DRMS identified three (3) clarifications that were requested to be <br />addressed prior to approval for the commencement of drilling <br />operations. This letter is the formal response for these <br />clarifications, which will each be addressed in turn. <br />1. Due to the possibility of encountering groundwater please <br />commit to the use of plugging and abandoning of the proposed <br />exploration holes with Portland cement. <br />As we discussed on the phone, the area in which the Preas <br />Exploration Project is anticipated to occur is a unique <br />geologic /topographic setting in which the drill holes are spotted on <br />the top of generally north -south trending ridges that are isolated <br />from one another by deep drainages, with relief often exceeding <br />500 feet between ridge top and drainage floor (see Figure 2 of <br />NOI). The strata are found to dip gently to the west. This unique <br />setting precludes the development of extensive groundwater <br />occurrences within the isolated ridges for several reasons. <br />136 East South Temple, 121" Floor - Salt Lake City, Utah 84111 USA • Tel 801.539.0044 • USA 800.266.6351 • Fax 801.539.0055 • www.norwestcorp.com <br />SALT LAKE CITY / CALGARY / DENVER / VANCOUVER / EVANSVILLE / SASKATOON / GRAND JUNCTION / CHARLESTON WV <br />