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Yerkes, Robert Mearns
(Encyclopedia) Yerkes, Robert MearnsYerkes, Robert Mearnsyûrˈkēz [key], 1876–1956, American psychologist, b. Bucks co., Pa., grad. Harvard (B.A. 1898; Ph.D.1902). He taught (1902–17) at Harvard,…Mount Rainier National Park
(Encyclopedia) Mount Rainier National ParkMount Rainier National Parkrānērˈ, rə– [key], 235,625 acres (95,395 hectares), SW Wash., in the Cascade Range; est. 1899. The area is dominated by Mt.…National Forest System
(Encyclopedia) National Forest System, federally owned reserves, c.191 million acres (77.4 million hectares), administered by the Forest Service of the U.S. Dept. of Agriculture. The system is made…Park Ridge
(Encyclopedia) Park Ridge, city (1990 pop. 36,175), Cook co., NE Ill., a suburb adjacent to Chicago, on the Des Plaines River; inc. 1873. It is chiefly residential. Several national and international…Gilbert, Grove Karl
(Encyclopedia) Gilbert, Grove Karl, 1843–1918, American geologist, b. Rochester, N.Y., grad. Univ. of Rochester, 1862. When the U.S. Geological Survey was created in the Dept. of the Interior in 1879…Arkansas Map: Regions, Geography, Facts & Figures
As you can see from the Arkansas state map, it is located in the southern region of the United States. It is bordered by six other states, including Missouri, Tennessee, Mississippi, Louisiana, Texas…Best Hiking in Texas: Natural Must-Dos
Top of Page Source: iStock Texas is the second largest state in the United States, and the largest in the continental U.S. There are 80 state parks and two national parks in Texas, and hiking is one…Ethiopian Highlands
(Encyclopedia) Ethiopian Highlands, rugged plateau region of E Africa, covering about two thirds of Ethiopia. It is divided into two massifs by the Great Rift Valley; the Amhara, or Ethiopian Plateau…Bridger, James
(Encyclopedia) Bridger, James, 1804–81, American fur trader, one of the most celebrated of the mountain men, b. Virginia. He was working as a blacksmith in St. Louis when he joined the Missouri River…National Memorials
Name and location Total acreageArkansas Post (Ark.) 746.88Arlington House, the Robert E. Lee Memorial (Va.) 27.91Chamizal (Tex.) 54.90Coronado (Ariz.) 4,750.22David Berger (Ohio)n.a.De Soto (…