The National geographic magazine . o W bo (LI Ph 02 0) P< en Our Northern Rockies 367. Erosion of Limestone near Silvertip Peak A pavement not calculated to increase our rate of travel many miles per day side streams join the main river, and tocross the river in these canyon districtsis impossible. When the water is high,traveling in this valley is out of thequestion. At one point the whole river,when at low stages, flows in two chan-nels, each not more than five or six feetwide, which ma}- be crossed dry shodby springing over them, though thewater is 50 feet or more in depth. Unlike the Sw
The National geographic magazine . o W bo (LI Ph 02 0) P< en Our Northern Rockies 367. Erosion of Limestone near Silvertip Peak A pavement not calculated to increase our rate of travel many miles per day side streams join the main river, and tocross the river in these canyon districtsis impossible. When the water is high,traveling in this valley is out of thequestion. At one point the whole river,when at low stages, flows in two chan-nels, each not more than five or six feetwide, which ma}- be crossed dry shodby springing over them, though thewater is 50 feet or more in depth. Unlike the Swan River, the SouthFork is doing much work in cutting away through the limestones and shaleswhich it encounters, the canyons beingpicturesque in the extreme. The ridge next to be scaled to theeast of the South Fork is the Continen-tal Divide—the watershed of the Rock-ies, which is flanked by numerous spursor parallel rampart ridges, shown in the views taken from the SilvertipPeak. This peak we have found to beeasily climbed, the pack-mule carryinginstruments to within 500 feet of th
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectgeography, bookyear18
