It has been common practice among surveyors to make use of rectangular (x and y) coordinates for many of their surveys. Coordinates are useful in the design and layout of subdivisions and construction, the computation and plotting of traverses, boundaries, etc. All too often, however, individual surveys have their own arbitrary coordinate systems, resulting in thousands of different surveys referred to thousands of unrelated origins. These independent systems are utterly useless for any purpose other than the original—i.e., the surveys are not in convenient form for plotting on a map made by others or for storing in a data bank or multipurpose cadastre. A new control survey cannot tie to stations in an existing nearby survey.
KeywordsStandard Line Central Meridian West Zone North Zone South Zone
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- Davis, R. E., F. S. Foote, J. M. Anderson, and E. M. Mikhail. 1981. Surveying: Theory and practice. 6th ed. New York: McGraw-Hill.Google Scholar