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Prince Albert Mine Plan of Operations Surface Exploration Drilling <br />7.0 SURFACE EXPLORATION DRILLING <br />The surface exploration drilling program is used to identify a mineable resource and expand the <br />resource once identified. Exploration drilling in the Prince Albert Mine permit area is generally <br />conducted in support of that mine operation, but drilling in the vicinity of the Prince Albert Mine <br />operation may, or may not, result in the identification of a resource that can be cost effectively mined <br />from the existing Prince Albert mining operation. A resource discovered in the vicinity of the Prince <br />Albert Mine through exploration drilling may be accessed more cost effectively by constructing an <br />underground access that is separate from the existing Prince Albert underground access point, <br />depending upon the size of the resource and the distance that resource is away from the existing or <br />planned underground workings of the Prince Albert Mine. <br />As noted in Sections 3.0 and 4.0, a surface exploration drilling program started under Prospect NOI <br />P- 2005 -021 and USBLM Notice COC- 68758, and following previously approved requirements, will <br />be used to locate and define uranium ore deposits throughout the group of mining claims maintained <br />by Rimrock Exploration and Development, Inc. The exploration area for the Prince Albert Mine Plan <br />of Operations includes the Prince Albert Mine site as defined by the proposed CDRMS 110(d) Permit <br />boundary and a claim block that includes the Prince Albert (PA) #1, PA #2, PA #3, PA #4, PA #5, <br />PA #6, PA #7, PA #8, PA #10, PA #11, and PA #15 mining claims (see Figure 1 "General Location <br />Map" for the boundary of the Prince Albert Mine Plan of Operations Area). <br />7.1 Surface Exploration Drilling Method <br />The general methodology for surface exploration drilling by Rimrock is described below. <br />1. Road access is established to the desired test -hole location. Generally, access to the drill site is <br />over an existing, previously disturbed road surface that was established in the past for mineral <br />exploration or other purposes. The road surface is repaired just enough to permit the passage <br />of the drill rig and support vehicles using a small loader or bulldozer. <br />2. The drill site is established by grading a 12 -foot wide by 30 -foot long area (or similar suitable <br />configuration) to a level or near -level ground surface to accommodate the drill rig. Again, <br />surface disturbance is limited as much as is possible to previously disturbed areas. <br />3. Provisions may be made at the drill site to accommodate a 10 -foot wide by 10 -foot long by 2- <br />foot deep pit (mud pit) designed to contain water from the test hole if water is required for <br />drilling the test hole or if ground water is encountered during the drilling of the hole. <br />Alternatively, an eight to ten foot diameter galvanized stock tank may be kept on hand to <br />function as a containment basin for water. <br />Rimrock Exploration and Development Page 26 of 27 <br />