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Contents. hide. (Top) Class 000 – Computer science, information, and general works. Class 100 – Philosophy and psychology. Class 200 – Religion. Class 300 – Social sciences. Class 400 – Language. Class 500 – Science.
800 (eight hundred) is the natural number following 799 and preceding 801. It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and the area of a square with diagonal 40.
A peak or projection from the top of a hill or mountain, or any rounded protrusion of land, especially a small but prominent or isolated hill with steep sides; a boulder or an area of resistant rock protruding from the side of a hill or mountain. The term is used primarily in the southern United States. [5] knoll.
Several other prefixes, including 800-484, 800-703, 800-744, and 800-904 are reserved by the FCC. NPA-911 is forbidden as 9-1-1 is an emergency telephone number . (This is less restrictive than the rules prohibiting all three-digit N-1-1 codes as exchanges in all geographic area codes.)
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic data.
OCLC. 643483454. National Geographic (formerly The National Geographic Magazine, [3] sometimes branded as NAT GEO [4]) is an American monthly magazine published by National Geographic Partners. [5] The magazine was founded in 1888 as a scholarly journal, nine months after the establishment of the society, but is now a popular magazine.
The primary grid pattern is of quarter sections (1 ⁄ 2 mi × 1 ⁄ 2 mi (800 m × 800 m)). In U.S. land surveying under the Public Land Survey System (PLSS), a section is an area nominally one square mile (2.6 square kilometers), containing 640 acres (260 hectares), with 36 sections making up one survey township on a rectangular grid.
nist.gov. The National Institute of Standards and Technology ( NIST) is an agency of the United States Department of Commerce whose mission is to promote American innovation and industrial competitiveness. NIST's activities are organized into physical science laboratory programs that include nanoscale science and technology, engineering ...
Altitude is a distance measurement, usually in the vertical or "up" direction, between a reference datum and a point or object. The exact definition and reference datum varies according to the context (e.g., aviation, geometry, geographical survey, sport, or atmospheric pressure).
Geographic number. A geographic number is a telephone number, from a range of numbers in the United Kingdom National Telephone Numbering Plan, where part of its digit structure contains geographic significance used for routing calls to the physical location of the network termination point of the subscriber to whom the telephone number has been ...