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1 <br /> <br /> SECTION I <br /> <br /> BACKGROUND AND INTRODUCTION <br />' On Janauary 13 and 18, 1982, the Colorado Mined Land <br /> Reclamation Division (CMLRD) completed a technical adequacy <br />' review of a permit application for Grand Mesa Coal Company's <br /> Red Canyon Mines. This permit application was submitted to <br />1 1 <br />1 <br />81 <br /> CMLRD on August 3 <br />, <br />. The adequacy review focused on <br />9 <br />' surface and ground water hydrology and alluvial valley <br /> floors. <br />' In order to address the comments and questions <br />p contained in CMLRD's adequacy review, the permit application <br />' first <br />aluated <br />istin <br />tinent dat <br />we <br />Based <br />d <br />ll <br /> . <br />an <br />a <br />ex <br />g per <br />a <br />re <br />ev <br />' on this evaluation, a detailed work plan was developed which <br /> included necessary field investigations and analyses to <br />' address CMLRD's concerns with respect to the Red Canyon <br /> Mines permit application. This work plan was described at a <br />' meeting with CMLRD staff on March 3, 1982. <br /> This report describes the field investigations and <br />t <br /> analyses referred to above. Field work was carried out <br />' during the Spring of 1982 and included surface water <br /> investigations (e.g., the installation of flumes), ground <br />' water evaluations (e.g., conducting pumping tests), and an <br /> alluvial valley floor study (e.g., mapping of irrigation <br />1 i <br />i <br />i <br />i <br /> ons <br />ditches). The study area for these <br />nvest <br />gat <br />s <br />' delineated on Map 1. The field work associated with this <br />1 <br />1 <br />1 <br />