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Black Canyon of the Gunnison Here is one of the famous scenic canyons that the Denver and Rio Grande once traveled on its way westward along the Marshall Pass Route. Its name probably arose from the fact that the canyon is so deep that the sun only reaches to the bottom of its depths at high noon, leaving it dark and foreboding the rest of the time. The Utes once believed that anyone entering the murky chasm would never exit alive. An early Geologist was once lowered on a rope for a thousand feet into the canyon for an exploratory "look see", and upon emerging from the depths he proclaimed that "no man could go further and live." Indeed, besides the nearly impassible shear rock canyon walls, the mighty Gunnison River once raged down the bottom with such fury that a man could not find a place to walk. General Palmer did not let the myth stop his pushing the railroad west from the town of Gunnison. He hired 1,045 men and 175 teams of horses for the project. The fearless crews devised the technique of lowering men down the canyon walls on ropes and then drilling holes into the rock face for small scaffolds and then placing blasting charges with extra long fuses that allowed the men to light the fuse and be raised out of harms way before the explosion.
U.S.G.S. Bulletin 707, 1922 footnote:
The Black Canyon begins west of Gunnison and slowly begins to build in depth as it cuts through granite and gneiss rock. Canyon walls range from several hundred to several thousand feet deep. Sapinero is the only settlement west of Gunnison at the mouth of the deeper canyon. From there the shear vertical nature of the canyon begins, passing by the famous Curecanti needle. The railroad climbed out of the canyon at Cimarron, but the canyon itself continues well beyond and gets even more remote and difficult to travel. Much of the original railroad line in the canyon is now covered by impounded waters of Blue Mesa and Morrow Point reservoirs.
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