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61placer mining — ☆ placer mining [plas′ər ] n. mining of placer deposits by washing, dredging, or other hydraulic methods * * * Oldest method of recovering gold from alluvial deposits. It takes advantage of gold s high density, which causes it to sink more… …
62Aegean civilizations — The Bronze Age civilizations that arose and flourished с 3000–1000 BC in the region bordering the Aegean Sea. They included Crete, the Cyclades, the Greek mainland south from Thessaly, including the Peloponnese, and Macedonia, Thrace, and western …
63pre-Columbian civilizations — Introduction the aboriginal American Indian (Mesoamerican Indian) cultures that evolved in Meso America (part of Mexico and Central America) and the Andean region (western South America) prior to Spanish exploration and conquest in the 16th …
642010 Haiti earthquake — 2010 Haiti earthquake …
65Highland dress — Traditional highland dress as worn by Duncan Campbell of Inverneill circa 1820. He is shown outfitted with a Capercaillie feathered Balmoral bonnet, belted Ancient Campbell Tartan plaid held with an amber Cairngorm gemstone brooch, dirk, sporran… …
66Martian dichotomy — The most conspicuous feature of Martian surface geology is a sharp contrast, known as the Martian dichotomy, between the rugged southern highlands and the relatively smooth northern basins. The two hemispheres differ in elevation by 1 to… …
67bridge — Synonyms and related words: A string, Amati, Bifrost, Boston, Cremona, D string, E string, Earl of Coventry, G string, L, Pit, Polish bank, R, Russian bank, Strad, Stradivari, Stradivarius, Texas tower, accouple, accumulate, acting area,… …
68Dale Earnhardt — This article is about the elder Dale Earnhardt. For his son, see Dale Earnhardt, Jr.. For the racing team he founded, see Dale Earnhardt, Inc.. Intimidator redirects here. For other uses, see Intimidator (disambiguation). Dale Earnhardt Dale… …
69Potato — Irish potato redirects here. For the confectionery, see Irish potato candy. For other uses, see Potato (disambiguation). Potato …
70Volkswagen Beetle — This article is about the original Volkswagen Beetle. For the automobile introduced in 1998, see Volkswagen New Beetle. Volkswagen Type 1 Manufacturer Volkswagen Also called Beetle …
