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Place Name
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Boise River
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Place Status (Type)
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river
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Location
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Elmore County, Idaho (ID), United States, North America
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Latitude
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unknown
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Longitude
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unknown
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Boise River
, c.75 mi/121 km long,
Idaho and Oregon; rising in SW Idaho, Middle and South forks join at
Arrow Rock Reservoir, on the boundary of Boise and Elmore cos.,
20 mi/32 km E of Boise, and flowing W through
Lucky Peak Reservoir, through city of Boise, past Middleton and Parma,
joining the Snake R., 2 mi/3.2 km S of Nyssa
(Oregon), at the Oregon state line. South Fork Boise R., rises in N
Camac co., 60 mi/97 km E of Boise, flows
c.100 mi/161 km generally SW through Anderson
Ranch Reservoir then NW to Arrow Rock Reservoir; Middle Fork Boise R.,
rises in NW Elmore co., Sawtooth Range,
60 mi/97 km ENE of Boise, flows
c.70 mi/113 km SW, joining South Fork at Arrow
Rock Reservoir. North Fork Boise R. rises in E Boise co., in Sawtooth
Range, 60 mi/97 km NE of Boise, flows
c.50 mi/80 km SW, joining Middle Fork
15 mi/24 km ENE of Arrow Rock Dam, forms most
of boundary bet. Boise and Elmore cos. In 1811 the Boise R., originally
called Reed's R., was explored by an expedition financed by John Jacob
Astor (1763-1848), an Amer. merchant. Irrigation, hydroelectric power,
public water consumption and flood control are part of the Boise
Project.
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