. Water Supply and Irrigation Papers of the United States Geological Survey . he dams atRumford Falls was only feet. WATER POWERS. In general the elevation of the basin is greater than that of anyother watershed on the Atlantic coast. The outlet of Umbagog Lakeis at an elevation of 1,256 feet, while the Rangeley Lakes are about1,500 feet above the sea. The sources of Magalloway River are from2,600 to 2,900 feet in elevation. Thus the entire fall of the river, fromthe level of Umbagog Lake to tide water at Brunswick, amounts toabout 1,250 feet, and in the various stretches for which detai
. Water Supply and Irrigation Papers of the United States Geological Survey . he dams atRumford Falls was only feet. WATER POWERS. In general the elevation of the basin is greater than that of anyother watershed on the Atlantic coast. The outlet of Umbagog Lakeis at an elevation of 1,256 feet, while the Rangeley Lakes are about1,500 feet above the sea. The sources of Magalloway River are from2,600 to 2,900 feet in elevation. Thus the entire fall of the river, fromthe level of Umbagog Lake to tide water at Brunswick, amounts toabout 1,250 feet, and in the various stretches for which detailedfigures are obtainable the fall ranges generally between 4| and 74-feet to the mile. At three important points, however, there are largeconcentrated falls, namely, at Lewiston, where a natural fall of 38feet in 600 feet is increased to 50 feet by a dam; at Rumford Falls,where there is a natural descent of 177 feet in about a mile, and atBerlin Falls, where the fall is said to amount to nearly 200 feet in amile. The following table gives the elevations at various points:. PRESSEY.] ANDROSCOGGIN RIVER,Fall in Androscoggin River 73 Locality. Dis-tancefrom Heighttide i abovewater meanat Fall be-tween points. Dis-tance be-tweenpoints. Average fall per mile betweenpoints. Authority Foot of Umbagog LakeHead of Berlin State line Bethel - Head of Rumford FallsFoot of Rumford head of FallsBrunswick Miles. 158 ,•7,7. 1,256 127 1,048 121 a 707 111) 090 98 (L>0 76 597 75 420 22 M64 0 0 Feet. m 7023177 256104 Feet. I Wells: The Water-Power[ of Maine, p. 79. (Joseph Hobson. chief en-gineer Grand TrunkRailway. \ Wells: The Water-Power | of Maine, p. 79. I. A. Mixer, engineerRumford Falls PowerCompany. H. C. Robinson, assistantengineer Maine Cen-Railroad, « Water surface at summer stage at Grand Trunk Railway crossing. l> Corrected for water surface from elevation of track at Maine Central Railro
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