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Cogswell, Joseph Green

(Encyclopedia)Cogswell, Joseph Green kŏgzˈwĕl, –wəl [key], 1786–1871, American librarian and bibliographer, b. Ipswich, Mass. After studying abroad, Cogswell taught mineralogy and geology at Harvard and bec...

Fessenden, Thomas Green

(Encyclopedia)Fessenden, Thomas Green fĕsˈəndən [key], 1771–1837, American journalist and satirical poet, b. Walpole, N.H. Throughout his life he practiced law and edited various newspapers. Under the pseudon...

Harris, Isham Green

(Encyclopedia)Harris, Isham Green īˈshəm [key], 1818–97, American political leader, b. Franklin co., Tenn. Admitted to the bar in 1841, he was elected in 1847 to the Tennessee senate. Harris, a states' rights ...

Atlas Mountains

(Encyclopedia)Atlas Mountains, system of ranges and plateaus in NW Africa, extending c.1,500 mi (2,410 km) from SW Morocco, through N Algeria, to N Tunisia; Jebel Toubkal (13,671 ft/4,167 m), in SW Morocco, is the ...

San Gabriel Mountains

(Encyclopedia)San Gabriel Mountains, S Calif., E and NE of Los Angeles, running c.50 mi (80 km) westward from Cajon Pass. Mt. San Antonio, also known as Mt. Baldy (10,080 ft/3,072 m), is the highest peak of the ran...

Great Smoky Mountains

(Encyclopedia)Great Smoky Mountains, part of the Appalachian system, on the N.C.–Tenn. border; highest range E of the Mississippi and one of the oldest uplands on earth. The mountains are named for the smokelike ...

Davis Mountains

(Encyclopedia)Davis Mountains, W Tex., SE of El Paso. Old Baldy, 8,382 ft (2,555 m), is the highest peak. Forested slopes, springs, and deep canyons attract tourists. On the summit of Mt. Locke, 6,791 ft (2,070 m) ...

blue-green algae

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

Rocky Mountains

(Encyclopedia)Rocky Mountains, major mountain system of W North America and easternmost belt of the North American cordillera, extending more than 3,000 mi (4,800 km) from central N.Mex. to NW Alaska; Mt. Elbert (1...

Catskill Mountains

(Encyclopedia)Catskill Mountains, dissected plateau of the Appalachian Mt. system, SE N.Y., W of the Hudson River. This glaciated region, wooded and rolling, with deep gorges and many waterfalls, is drained by the ...