. Water Supply and Irrigation Papers of the United States Geological Survey . 6 Ratio of run-off to rainfall in basin of Cobbosseecontee River. 1890. 1891. 1892. 1893. 1894. 1895. 1896. 1897. 1898. 1899. 1900. 1901. Aver-age. Precipitation, inches ^ Run-off, inchesi « ^;
. Water Supply and Irrigation Papers of the United States Geological Survey . 6 Ratio of run-off to rainfall in basin of Cobbosseecontee River. 1890. 1891. 1892. 1893. 1894. 1895. 1896. 1897. 1898. 1899. 1900. 1901. Aver-age. Precipitation, inches ^ Run-off, inchesi « ^; & « f>;* ^ Ratio « & & < a Seven Nine Eleven months. d Ten months. e Only full-year records used in obtainingaverages. ANDROSCOGGIN BASIN. Androscoggin River is formed by the junction of Magalloway Riverand the outlet of the Umbagog-Rangeley lakes near the Maine-New. pressey.] ANDKOSCOGGIN RIVER. 71 Hampshire boundary line. For about 35 miles it flows southward,into the State of New Hampshire, then turns abruptly to the east andflows into the State of Maine, then burns to the south and joins theKennebec in Merrymeeting Bay. (Sec PI. X.) The total drainagearea above Brunswick, where is the last fall, is 3,700 square miles,about 80 per cent of which is in Maine. The greatest length of thebasin is 110 miles, the greatest width 70 miles, while the river itselfmeasures about 200 miles in length from the sources of MagallowayRiver to the coast. The following table gives the drainage areas ofthe river at various points, and of some of its chief tributaries: Drainage areas of Androscoggin River a ml principal tributaries. River. Locality Damagearea. Sq. miles. Androscoggin j Immediately below junction of Umbagog outlet and Ma- 1,180 i gallowav River. Do i
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