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Crater Lake National Park

(Encyclopedia)Crater Lake National Park, 183,224 acres (74,206 hectares), SW Oreg., in the Cascade Range; est. 1902. Crater Lake, 20 sq mi (52 sq km), lies in a huge pit that was created when the top of a prehistor...

Cascade Range

(Encyclopedia)Cascade Range, mountain chain, c.700 mi (1,130 km) long, extending S from British Columbia to N Calif., where it becomes the Sierra Nevada; it parallels the Coast Ranges, 100–150 mi (161–241 km) i...

Klamath Falls

(Encyclopedia)Klamath Falls, city (1990 pop. 17,737), seat of Klamath co., SW Oreg., at the southern tip of Upper Klamath Lake; inc. 1905. It is the processing and distribution center of a lumber, livestock, and fa...

Ngorongoro Crater

(Encyclopedia)Ngorongoro Crater, caldera in the Great Rift Valley, Arusha region, N Tanzania. It is one of the world's largest unbroken volcanic calderas, created in an eruption some 3 million years ago. The calder...

crater

(Encyclopedia)crater, circular, bowl-shaped depression on the earth's surface. (For a discussion of lunar craters, see moon.) Simple craters are bowl-shaped with a raised outer rim. Complex craters have a raised ce...

Hawaii Volcanoes National Park

(Encyclopedia)Hawaii Volcanoes National Park, 209,695 acres (84,926 hectares), on Hawaii island, Hawaii; est. 1916. The park contains two of the most active volcanoes in the world—Kilauea with its fiery pit crate...

Katmai National Park and Preserve

(Encyclopedia)Katmai National Park and Preserve kătˈmī [key], at the northern end of the Alaska Peninsula on Shelikof Strait, S Alaska, comprising Katmai National Park (3,674,530 acres/1,487,664 hectares) and an...

Haleakala National Park

(Encyclopedia)Haleakala National Park häˌlāäˌkäläˈ [key], 29,824 acres (12,074 hectares), on Maui island, Hawaii. Haleakala volcano, 10,023 ft (3,055 m) high, has been dormant since the mid-1700s. Its crate...

Medford

(Encyclopedia)Medford. 1 City (1990 pop. 57,407), Middlesex co., E Mass., a residential and industrial suburb of Boston, on the Mystic River; settled 1630, inc. as a city 1892. Wax, paper, clothing, and furniture a...

Kilauea

(Encyclopedia)Kilauea kēˈläwāˈə [key], volcano and caldera, 3,646 ft (1,111 m) deep, central Hawaii island, Hawaii, on the southeastern slope of Mauna Loa in Hawaii Volcanoes National Park. One of the largest...
 

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