control survey

control survey

A survey which provides coordinates (horizontal or vertical) of points to which supplementary surveys are adjusted. The fundamental control survey of the United States of America provides the geodetic coordinates and plane coordinates of thousands of triangulation and traverse stations, and the elevations of thousands of bench marks. These are used in hydrographic surveys of the coastal waters, for control of the national topographic survey, and for control of surveys by state, city and private organizations.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Mapping science
Company: American Congress on Surveying & Mapping
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Related terms

control survey classification

Earth science; Mapping science

A system by which control surveys are labelled to indicate their approximate precision or accuracy. The highest prescribed order of control survey, in the USA, is designated ...

survey

Convention; Conferences

Solicitation of opinions regarding services; questionnaire.

survey

Professional careers; Sales

A method of obtaining primary data in a marketing research study by the use of interviews, either face-to-face, by telephone or by mail.

survey

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A study, generally in the form of interviews or questionnaires, that provides sociologists and other researchers with information concerning how people think and act.

subtropical

Earth science; Mapping science

Relating to the warmest region of the Temperate Zones that border on the Torrid Zone.

sky

Earth science; Mapping science

The region above and beyond the Earth, as it is seen looking up from the ground. Sky looks blue during the day and dark at night.

South Pole

Earth science; Mapping science

The most southern point of the Earth. The South Pole is the southern end of the axis on which the Earth rotates.

prime meridian

Earth science; Mapping science

The line of longitude that passes through the town of Greenwich, England, and that measures 0 degree. It is the line from which other longitude lines are measured.

planet

Earth science; Mapping science

A celestial body revolving around a sun in a nearly circular orbit. This definition excludes comets, which have highly elliptical orbits. However, it may also exclude some of ...

area of error

Earth science; Mapping science

A figure within which the true location of a point whose location has been determined by measurement is believed to lie, with stated degree of probability.

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