aerial magnetic survey
71Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
72Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… …
73Airship — For other uses, see Airship (disambiguation). Dirigible redirects here. For the 1931 film, see Dirigible (film). Not to be confused with Balloon (aircraft) or Blimp. Airship …
74List of U.S. Marine Corps acronyms and expressions — This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps. Many of the words or phrases have varying levels of acceptance among different units or… …
75Ethereal being — Water nymph by John Collier, 1923. Ethereal beings, according to some belief systems and occult theories, are mystic entities that usually are not made of ordinary matter. Despite the fact that they are believed to be essentially incorporeal,… …
76Madman Muntz — Infobox Celebrity name = Earl William Muntz imagesize = caption = Madman Muntz in one of his many TV advertisement performances birth date = birth date|1914|1|3 birth place = city state|Elgin|Illinois, United States death date = death date and… …
77Naval Oceanographic Office — Logo of Naval Oceanographic Office Agency overview Formed 1962 Preceding agencies United States Hydrographic Office U.S. Naval Observatory and Hydrographical Off …
78Richard E. Byrd — Richard Evelyn Byrd Born 25 October 1888(1888 10 25) Winchester, Virginia …
79Amundsen–Scott South Pole Station — Coordinates: 90°00′S 139°16′W / 90°S 139.267°W / 90; 139.267 …
80Precision bombing — is the desired skill of being able to bomb single buildings in a built up area, without causing any damage to the surrounding buildings, or the ability to place a bomb by air to within extremely accurate limits. Precision bombing was used by both …
