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Kerry blue terrier

(Encyclopedia) Kerry blue terrier, breed of large, sturdy terrier perfected in Ireland more than 100 years ago. It stands from 17 to 19 in. (43.2–48.3 cm) high at the shoulder and weighs from 30 to…

diving, deep-sea

(Encyclopedia) diving, deep-sea, act of descending into deep water, generally with some form of breathing apparatus, and remaining there for an extended period. It is used in fishing for sponges,…

Deep Sea Drilling Project

(Encyclopedia) Deep Sea Drilling Project, U.S. program designed to investigate the evolution of ocean basins by core drilling of ocean sediments and underlying oceanic crust. Funded by the National…

blue-green algae

(Encyclopedia) blue-green algae, popular name for those microorganisms that are now more properly called cyanobacteria.

Blue Mountains, Australia

(Encyclopedia) Blue Mountains, region of New South Wales, SE Australia. Located W of Sydney, this elevation is actually a plateau forming part of the Great Dividing Range.

Blue Mountains, United States

(Encyclopedia) Blue Mountains, uplifted, eroded part of the Columbia Plateau, c.6,500 ft (1,980 m) high, NE Oreg. and SE Wash. Lava flows cover much of the surface. The upper, wooded slopes are used…