1980-07-11_REVISION - M1977493 (8)

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Bartlett Mountain In 1890 , Sam and John Webber and E. G. Heckendorf staked mining claims on Bartlett Mountain. In 1902, -Hugh Leal started an alit in Bartlett Mountain to explore for a supposed gold-bearing fissure . During the summer of 1911 and 1913, Heckendorf located claims on the glacial boulders of brecciated rock containing molybdenum at Birdseye, near the old town of Tabor , and on the south side of Chalk Mountain. Finding no great quantities there , he moved his operations to the north end of Chalk Mountain, near the town of Robinson. In every place, the tunnels would run through blocks into glacial wash. In 1914 , Heckendorf returned to his old locations on Bartlett Mountain. Here he found that A. M. Gillaspey had staked the Denver claim about 1904 . About 1914 , John Buffehr and C. J. Senter staked claims next to the Denver. Senter had also prospected on Chalk Mountain and staked claims on Bartlett Mountain as early as 1879 . Heckendorf obtained options on all the claims, except the Denver, and presented this data to the American Metal Company for evaluation and possible purchase . In November, 1916, engineers from American Metal Com- pany visited the property and inspected the open cuts of Heck- endorf and Buffehr. The Leal Tunnel was in 690 feet. In claim holdings, Leal had 5, Buffehr 2 , Senter 2 , and Heckendorf had many in the Tenmile Amphitheater. Eric Baer and Leal ' s son had also located claims to the west of Leal , and 0. A. King had located on Ceresco Ridge . 3 . 2 ADVENT OF CLIMAX OPERATIONS 1917 to 1969 Disturbance Impact The Climax Molybdenum Company was formed in 1916 . In 1917, active exploration and development was undertaken by the Climax Company and also by Molybdenum Products Corporation ( then owner of the Denver claim) . Molybdenum Mines Both companies were producing from the Bartlett Mountain molybdenite deposit in early 1918 . 3-3