Columbia Encyclopedia

(Encyclopedia) Green River. 1 River, 370 mi (595 km) long, rising in central Ky. and flowing generally NW, through Mammoth Cave National Park, to the Ohio River near Evansville, Ind. Locks and dams make the Green Ri...

(Encyclopedia)  CE5 New Mexico, state in the SW United States. At its northwestern corner are the so-called Four Corners, where Colorado, New Mexico, Arizona, and Utah meet at right angles; New Mexico is also bord...

(Encyclopedia) Oxon Hill, village (1990 pop. 35,794), Prince Georges co., central Md., a suburb S of Washington, D.C. Oxon Hill was dominated by large estates until the 1950s. National Harbor, a major mixed-use deve...

(Encyclopedia) Greenbelt, city (2020 pop. 24,921), Prince Georges co., W central Md., a residential suburb of Washington, D.C.; chartered 1937. Greenbelt was planned a...

(Encyclopedia) Olympic Mountains, highest part of the Coast Ranges, on the Olympic Peninsula, NW Wash. Mt. Olympus (7,965 ft/2,427 m) is the highest point in the mountains, which are composed mainly of sedimentary r...

(Encyclopedia) Branson, city (2020 pop. 12,638), Taney co., SW Mo.; inc. 1904. The primarily residential city's economy is based on tourism, especially to theaters off...

(Encyclopedia) West Orange, town (1990 pop. 39,103), Essex co., NE N.J., a residential suburb of Newark; set off from Orange 1862, inc. 1900. “Glenmont,” Thomas Edison's home in Llewellyn Park, and his laborator...

(Encyclopedia) badlands, area of severe erosion, usually found in semiarid climates and characterized by countless gullies, steep ridges, and sparse vegetation. Badland topography is formed on poorly cemented sedime...

(Encyclopedia) Sedona, city (2010 pop. 10,031), Coconino and Yavapai co., N Ariz., 22 mi (35 km) SSW of Flagstaff on Oak Creek in the Coconino National Forest; est. 1902, inc. 1988. Tourism is Sedona's main industry...

(Encyclopedia) Gilbert, city (2020 pop. 267,918), Maricopa co. S central Ariz., suburb of Phoenix, located S of Mesa and E of Chandler; inc. 1920. Founded at the site ...