Columbia Encyclopedia

(Encyclopedia) Saguaro National Park, 91,443 acres (37,021 hectares), SE Ariz. Contained within the desert park are many examples of the saguaro cactus (Cereus giganteus), a monumentally proportioned, now rare speci...

(Encyclopedia) olivine ŏlĭvˈēn [key], an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the orthorhombic system. It is a common constituent of magnesium-rich, silica-poor igneous rocks; metamorp...

(Encyclopedia) Tohono O'Odham păpˈəgōˌ, päˈ– [key], Native North Americans speaking a language that belongs to the Uto-Aztecan branch of the Aztec-Tanoan linguistic stock (see Native American languages) and...

(Encyclopedia) garnet, name applied to a group of isomorphic minerals crystallizing in the cubic system. They are used chiefly as gems and as abrasives (as in garnet paper). The garnets are double silicates; one of ...

(Encyclopedia) Geronimo jərŏnˈəmōˌ [key], c.1829–1909, leader of a Chiricahua group of the Apaches, b. Arizona. From his youth he participated in the forays of Cochise, Victorio, and other Apache leaders. Wh...

(Encyclopedia) MacCracken, Henry Mitchell, 1840–1918, American educator, b. Oxford, Ohio, grad. Miami Univ. (Ohio), 1857. After a brief teaching career MacCracken entered the Presbyterian ministry in 1863. From 18...

(Encyclopedia) Galway, city, seat of Co. Galway, W Republic of Ireland, on Galway Bay near the mouth of the Corrib River. Industries include tourism, food processing, ...

(Encyclopedia) Smith, Vernon Lomax, 1927–, American economist, b. Wichita, Kans., Ph.D. Harvard, 1955. He has taught at Purdue Univ. (1955–67), the Univ. of Massachusetts (1968–75), the Univ. of Arizona (1975�...

(Encyclopedia) Turku to͝orˈko͞o [key], Swed. Åbo, city (1998 pop. 170,931), capital of Western Finland prov., SW Finland, at the mouth of the Aurajoki River on the Baltic Sea. The center of the fertile agricultu...

(Encyclopedia) Ostrom, Elinor Awan, 1933–2012, American political economist, b. Los Angeles, Ph.D. Univ. of California, Los Angeles, 1965. She was on the faculty of the Univ. of Indiana, Bloomington, from 1965 unt...