depth of mining
71Bolivia — Bolivian, adj., n. /beuh liv ee euh, boh /; Sp. /baw lee vyah/, n. 1. a republic in W South America. 7,669,868; 404,388 sq. mi. (1,047,370 sq. km). Caps.: La Paz and Sucre. 2. (often l.c.) a twill fabric made of cut pile with lines either in the… …
72Green Pond, New Jersey — Infobox lake lake name = Green Pond image lake = Green Pond Lake.jpg caption lake = Summer 2006 image bathymetry = caption bathymetry = location = Morris County, New Jersey coords = coord|41|01|02|N|74|28|40|W|type:waterbody region:US… …
73Africa — /af ri keuh/, n. 1. a continent S of Europe and between the Atlantic and Indian oceans. 551,000,000; ab. 11,700,000 sq. mi. (30,303,000 sq. km). adj. 2. African. * * * I Second largest continent on Earth. It is bounded by the Mediterranean Sea,… …
74international relations — a branch of political science dealing with the relations between nations. [1970 75] * * * Study of the relations of states with each other and with international organizations and certain subnational entities (e.g., bureaucracies and political… …
75Nome, Alaska — Nome Siqnazuaq   City   Aerial view of the harbor in Nome …
76North America — North American. the northern continent of the Western Hemisphere, extending from Central America to the Arctic Ocean. Highest point, Mt. McKinley, 20,300 ft. (6187 m); lowest, Death Valley, 276 ft. (84 m) below sea level. 400,000,000 including… …
77Lake Superior — Infobox lake lake name = Lake Superior image lake = Lake Superior NASA.jpg caption lake = Landsat image location = Great Lakes image bathymetry = caption bathymetry = coords = coord|47.7|N|87.5|W|region:US/CA type:waterbody… …
78Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …
79Cowdenbeath — Coordinates: 56°07′N 3°21′W / 56.11°N 3.35°W / 56.11; 3.35 …
80Peace in Africa (ship) — Peace in Africa during the 2006 refitting on the Tyne. Photo by Gary Williams. Career …
