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Collom Area Geology Pre - Feasibility Report <br />• <br />procedures for contractors, each drilling period consisted of working five <br />days, one day off, working four days and then breaking for four days. <br />The Collom Exploration team developed a comprehensive set of exploration <br />and data management protocols prior to the start of the drilling program. <br />The exploration protocols detailed methodologies for geotechnical logging of <br />core, coal sampling, and safety. The data management protocols outline <br />methods for data input, data checking and geological modeling. Copies of <br />the protocols reside in Appendix F. <br />4.1.1 2004 Exploration Drilling <br />Throughout the course of the 2004 Exploration Program, Colowyo employed <br />as many as 6 drill rigs and up to 37 geologists, geological engineers, <br />hydrologists, drillers and helpers. During the 2004 Exploration Program 89 <br />individual holes were drilled on 42 drill sites at Collom, see Table 4.1 and <br />Figure 4.1. <br />Table 4.1 <br />Summary of 2004 Exploration Drilling <br />0 <br />Drill Hole Type <br />Number of Holes <br />Total Footage <br />Pilot Holes <br />20 <br />18,906 <br />Spot Cores <br />20 <br />12,526 <br />Continuous Cores <br />15 <br />14,283 <br />Monitoring Wells <br />13 <br />7,599 <br />Piezometer Wells (4 converts) <br />15 <br />6,221 <br />Alluvial Wells <br />5 <br />335 <br />Rotary Hales (non -core) <br />2 <br />2,165 <br />Redrills /Abandoned <br />3 <br />733 <br />Totals <br />89 <br />62,769 <br />August 2005 <br />Page 13 of 38 <br />