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The first EGM, EGM84, was defined as a part of WGS84 along with its reference ellipsoid.WGS84 combines the old GRS 80 with the then-latest data, namely available Doppler, satellite laser ranging, and Very Long Baseline Interferometry observations, and a new least squares method called collocation. [3]
CONUS, a technical term used by the U.S. Department of Defense, General Services Administration, NOAA/National Weather Service, and others, has been defined both as the continental United States, and as the 48 contiguous states. [16] [17] The District of Columbia is not always specifically mentioned as being part of CONUS. [17]
Eugeniconus is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, family Conidae, the cone snails and their allies. [1]In the latest classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), Eugeniconus has become a subgenus of Conus as Conus (Eugeniconus) represented as Conus Linnaeus, 1758 [2]
The North American Vertical Datum of 1988 (NAVD 88) is the vertical datum for orthometric heights established for vertical control surveying in the United States based upon the General Adjustment of the North American Datum of 1988.
This list of Conus species is a listing of species in the genus Conus, a genus of sea snails, specifically cone snails, marine gastropod mollusks in the family Conidae. [1]For many years, all of the cone snails were placed in the genus Conus.
Leptoconus is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, family Conidae, the cone snails and their allies. [1]In the latest classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), Leptoconus has become a subgenus of Conus as Conus (Leptoconus) Swainson, 1840 (type species: Conus amadis Gmelin, 1791) represented ...
Cylinder is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, in the family Conidae, the cone snails and their allies. [1]In the new classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), Cylinder has become a subgenus of Conus: Conus (Cylinder) Petuch & Sargent, 2012 represented as Conus Thiele, 1929. [2]
Lautoconus is a subgenus of sea snails, marine gastropod mollusks in the genus Conus, family Conidae, the cone snails and their allies. [1]In the latest classification of the family Conidae by Puillandre N., Duda T.F., Meyer C., Olivera B.M. & Bouchet P. (2015), Lautoconus has become a subgenus of Conus as Conus (Lautoconus) Monterosato, 1923(type species: Conus mediterraneus Hwass in ...