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i <br />III IIIIIIIIIIIIIIII <br />Dorchester Coal Company 999 <br />United Hank of Arapahoe Bldg. <br />~ Suite 300 <br />9350 East Arapahoe Road ~~~~~~~ <br />Englewood, Colorado 80112 <br />Writer's Direct Dial Number <br />(303) 790-8444 0 C T 2 41983 <br />MINED LAND RECLAMATION DIVISION <br />Colo. Dept. of Natural Resources <br />October 19, 1983 <br />Mr. Bob Liddle <br />Colorado Mined Land Reclamation Division <br />1313 Sherman Street #423 <br />Denver, Colorado 80203 <br />Dear Bob: <br />Enclosed are the results of the quarterly resurvey of the subsidence grid <br />at the Dorchester #1 Mine. Included are data on the vertical and horizontal <br />changes which have occurred since the original survey and the June, 1983, <br />survey. First mining and partial pillar extraction has occurred beneath <br />the grid. <br />Please call Mr. Jim Ericson or me if you have questions. <br />Sincerely, <br />Dean R. P1ass ,~ <br />Director, vernmental Affairs <br />DRM:ed <br />Enclosure <br />A Subsidiary of Dorchester Gas Corporation <br />