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Exploration drilling took place concurrent with mine operations at the Topaz Mine, and 60 <br />exploration holes were drilled in the Sunday Mine claim area commencing in February of 2009 <br />and completed in October of 2009. All exploration drill holes have been closed at this time. A <br />small amount of seeding is being completed on the remaining holes in January of 2010 and then a <br />drill hole closure report will be submitted. No additional drilling is planned for 2010, and BLM <br />approval must be received prior to additional drilling and ventilation work at the Sunday Mines. <br />Denison submitted an Environmental Protection Plan for the Topaz Mine as part of an <br />Amendment for Designated Mining Operation status on June 5, 2009. Comments were received <br />from DBMS on August 28, 2009 and a response to comments was submitted to DRMS on <br />December 23, 2009. Denison will continue to work with DRMS on the DMO Amendment in <br />2010 and plans to install groundwater monitoring wells as approved by DRMS during the year. <br />No concurrent reclamation is proposed for the Topaz Mine in 2010.