geodetic control network
81Public Land Survey System — Seal of the BLM The Public Land Survey System (PLSS) is a method used in the United States to survey and identify land parcels, particularly for titles and deeds of rural, wild or undeveloped land. Its basic units of area are the township and… …
82Metrication in the United States — U.S. shampoo label, with round metric quantity taking secondary status next to non integer U.S …
83Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign — Department of Civil and Environmental Engineering University of Illinois at Urbana Champaign Newmark Civil Engineering Laboratory …
84Illinois — This article is about the U.S. state of Illinois. For other uses, see Illinois (disambiguation). State of Illinois …
85New Mexico — This article is about the U.S. state of New Mexico. For other uses, see New Mexico (disambiguation). Land of Enchantment redirects here. For the Michael Martin Murphey album, see Land of Enchantment (album). State of New Mexico Estado de Nuevo… …
86Mount Vesuvius — This article is about the mountain/volcano in Italy. For other uses, see Vesuvius (disambiguation). Mount Vesuvius Monte Vesuvio …
87Lake Baikal — Baykal and Baikal redirect here. For other uses, see Baykal (disambiguation). Lake Baikal Coordinates …
88Theodolite — A theodolite (IPA en|θiːˈɒdəlаɪt) is an instrument for measuring both horizontal and vertical angles, as used in triangulation networks. It is a key tool in surveying and engineering work, particularly on inaccessible grounds, but theodolites… …
89List of National Historic Sites of Canada — This is a complete list of the National Historic Sites of Canada. All such designations are made by the federal Minister of the Environment on the advice of the Historic Sites and Monuments Board of Canada . As of March 2008, there are 935 sites …
90Bureau of Indian Affairs — Logo of the Bureau of Indian Affairs. Agency overview Formed March 11, 1824 Preceding agency …
