The Surveying Engineer and NAD-83

by J. E. Colcord, (M.ASCE), Prof.; Dept. of Civ. Engrg., Univ of Washington, Seattle, Wash. 98195,

Serial Information: Journal of the Surveying and Mapping Division, 1981, Vol. 107, Issue 1, Pg. 25-31

Document Type: Journal Paper


Parameters used for NAD-83 and the datum shifts expected in the Pacific Northwest are reviewed. The suggested changes needed in State laws are discussed with reference to suggestions for a model law by NGS. The current use of State Plane Coordinates by survey engineers is discussed in terms of boundary, control, and multi-purpose cadastre surveys and the expected change of technique and records are analyzed.

Subject Headings: Geomatic surveys | Parameters (statistics) | Geodetic datum | Laws | Domain boundary | Pacific Northwest | United States

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