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<br />TABLE TWO -- DURANGO AND PAGOSA SPRINGS COAL FIELDS <br />MINE NAME COMMENTS ON FEATURES <br />Morning Star R: Propose to seal adit with locking grates. The grates will be welded to a large <br />ipe monuments will be <br />Steel <br />dits <br />th <br />d i <br /> p <br />. <br />e a <br />n <br />diameter culvert or steel archway place <br /> installed at the edits. (reference 3) <br />OK Nos. 1 b 2 F: Reference 2 indicates burned-out areas near border of mine. <br />ith a bulkhead seal and to install a steel pipe monument <br />dit <br /> R: w <br />Propose to close one e <br /> at the edit. (reference 3) <br /> Z: Reference 2 indicates O.K. No. 1 worked lower vein. <br />Porter Z: Reference 2 indicates three veins worked. <br />Shamrock Nos. 1 b 2 R: Backfilled three inclined shafts and nine subsidence pits using graded fill <br />iles that were not entirely utilized during the <br />te <br />d <br />b <br /> p <br />was <br />orrowe <br />techniques. Regraded <br />areas where waste piles were completely removed. ripped all highly compacted areas. <br /> Revegetated all disturbed areas. Installed identification monuments over all <br /> <br />S: backfilled areas. (reference 3) <br />Reference 3 indicates nine subsidence pits between the Shamrock Mines Nos. 1 & 2. <br />Superior R: Propose to seal the edit with locking grates. The grates will be welded to a large <br />ill be <br />t <br /> s w <br />diameter culvert or steel archway placed in the edits. Steel pipe monumen <br /> installed at the edits. (reference 3) <br /> R: Propose to close two edits using controlled blasting techniques to collapse the <br />Supreme overlying soil and rock into the edit. Install identification monuments at both <br /> sides. (reference 3) <br />Triple S S: Reference 3 indicates several subsidence pits located between the Triple S Mine and <br /> Shamrock Mines 1 & 2. <br />Yellowjacket R: Installed a locking grate over a culvert opening. The subsidence feature (crown <br />lacing a 6' high fence around the opening. (reference 3) <br />rded b <br />f <br />~' <br /> y p <br />egua <br />le) was sa <br />h <br /> Z Reference 2 indicates two veins worked. <br />-24- <br />