surveying unit
41Royal Canadian Air Force — The Royal Canadian Air Force (RCAF) was the air force of Canada from 1924 until 1968 when the three branches of the Canadian military were merged into the Canadian Forces. The modern Canadian air force has been known as Canadian Forces Air… …
42Computer-assisted web interviewing — Sociology …
43Outline of forestry — See also: Index of forestry articles The following outline is provided as an overview of and guide to forestry: Forestry – the art and science of managing forests, tree plantations, and related natural resources. Forest ecosystems have come to be …
44LIDAR — A FASOR used at the Starfire Optical Range for LIDAR and laser guide star experiments is tuned to the sodium D2a line and used to excite sodium atoms in the upper atmosphere …
45Castra — This article is part of the series on: Military of ancient Rome (portal) 753 BC – AD 476 Structural history Roman army (unit types and ranks …
46Comparison of the imperial and US customary measurement systems — Both the imperial and United States customary systems of measurement derive from earlier English systems used in the Middle Ages, that were the result of a combination of the local Anglo Saxon units inherited from German tribes and roman units… …
47Search Guard Successor Foundation — The SGS Foundation Logo GoGo Sentai Boukenger (and Daikenjin Zubaan) The Sea …
48William Leybourn — (1626 1716) was an English mathematician and land surveyor.cite web|url = http://www.oxforddnb.com/view/article/16623? fromAuth=1|title = Leybourn, William|author = Sarah Bendall|publisher = Oxford Dictionary of National Biography] Career as a… …
49History of geometry — Geometry (Greek γεωμετρία ; geo = earth, metria = measure) arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre modern mathematics, the other being the study of numbers. Classic geometry… …
50Channel Tunnel — Map of the Channel Tunnel Overview Location English Channel (Strait of Dover) Coordinates Folkestone …
