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who is the authorized representative of the Secretary of Agriculture. <br />(b) All exploration drill holes must be capped with at least five feet of cement and plugged with a <br />permanent plugging material that is unaffected by water or hydrocazbon gases and will prevent the migration of gases <br />and water in the drill hole under normal pressures. For exploration holes drilled deeper than stripping limits, the <br />licensee, using cement or other suitable plugging material approved by the Uncompahgre Field Office Manager, will <br />plug the hole through the thickness of the coal bed(s) or mineral deposit(s) and through aquifers for a distance of at <br />least 50 feet above and 50 feet below the coal bed(s) or mineral deposit(s) and aquifers or to the bottom of the drill <br />hole. A lesser cap or plug will be approved by the Uncompahgre Field Office Manager. Item A illustrates the <br />minimum requirements for plugging drill holes. <br />(c) One copy of the drill hole data and related reports will be submitted to the Uncompahge Field Office <br />Manager within 30 days after each calendaz yeaz. The requirements for submission of drilling and abandonment <br />information aze given to the licensee herewith as Item B. The licensee's location map must show access trail <br />locations and exact hole locations appropriately identified by number or letter. Submitted data must be tied to the <br />hole number or letter designations. All holes will be geophysically logged with natural gamma, density, caliper, or <br />resistivity logs. <br />This license consists of the terms and conditions in Sec. 1 through 14 on eight pages, of which [his is [he eighth page, <br />the licensee's approved exploration plan, Item A which illustrates minimum requirements for plugging drill holes, <br />and Item B which outlines [he requirements for submission of drilling and abandonment information. <br />OXBOW MINING, LLC <br />By: ~,•i~..2O 1. <br />Title: ~,YEG. VZGF-PRE s <br />/(z/RI.hI <br />Date: ~ ~DDE~ <br />Branch of Solid Minerals <br />~V <br />C~ <br />~~ (^ <br />~ U' -I <br />~I ~ ~~ <br />v~ . '1 r, <br />~ ;-_ <br />:_~ ._.. <br />-il <br />.. <br />t~ <br />Division of Energy, Lands and Minerals <br />Date: ~ /V ~r <br />