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Philadelphia, city, United States

(Encyclopedia)Philadelphia, city (2020 pop. 1,603,797), coextensive with Philadelphia co., SE Pa., on the Delaware River c.100 mi (160 km) upstream at the influx of t...

Phoenix, city, United States

(Encyclopedia)Phoenix, city (1990 pop. 983,403), state capital and seat of Maricopa co., S Ariz., on the Salt River; inc. 1881. It is the largest city in Arizona, the hub of the rich agricultural region of the Salt...

Prescott, city, United States

(Encyclopedia)Prescott, city (1990 pop. 26,455), alt. 5,389 ft (1,643 m), seat of Yavapai co., central Ariz. in a mineral-rich area; inc. 1883. It is a mining and ranching center, a summer resort, and the headquart...

Saco, city, United States

(Encyclopedia)Saco sôˈkō [key], city (1990 pop. 15,181), York co., SW Maine, on the Saco River; settled 1631, inc. as Pepperellboro 1762; name changed to Saco 1805; inc. as a city 1867. Saco is named for the Saw...

Saco, river, United States

(Encyclopedia)Saco, river, c.105 mi (170 km) long, rising in the White Mts., N central N.H. and flowing SE through Maine to the Atlantic Ocean below Biddeford. The falls at Biddeford, site of a hydroelectric dam (o...

Sacramento, city, United States

(Encyclopedia)Sacramento săkrəmĕnˈtō [key], city (1990 pop. 369,365), state capital and seat of Sacramento co., central Calif., on the Sacramento River at its confluence with the American River; settled 1839, ...

Sacramento, river, United States

(Encyclopedia)Sacramento, longest river of Calif., c.380 mi (610 km) long, rising near Mt. Shasta, N Calif., and flowing generally SW to Suisun Bay, an arm of San Francisco Bay, where it forms a large delta with th...

Saginaw, city, United States

(Encyclopedia)Saginaw săgˈĭnô [key], city (1990 pop. 69,512), seat of Saginaw co., S Mich., on the Saginaw River, 15 mi (24 km) from its mouth on Saginaw Bay (an inlet of Lake Huron); settled 1816, inc. 1857. S...

Saginaw, river, United States

(Encyclopedia)Saginaw, river, 22 mi (35 km) long, formed by the confluence of eight branches, SE Mich. The river drains a large area of lower Michigan and flows into Saginaw Bay (c.60 mi/100 km long and 15–25 mi/...

Ada, city, United States

(Encyclopedia)Ada āˈə [key], city (2020 pop. 16,481), seat of Pontotoc co., S central Okla.; inc. 1904. It is a large cattle market and the center of a rich oil and ranch area. The c...