NASA NTRS · 19820020844
Geodetic control
Abstract
The U.S. Horizontal Network is described for the years 1900 and 1931, and then compared with the current status of the network. North American Datum for 1946 and 1981 are also described. Relative accuracy between directly connected adjacent points were reviewed along with absolute accuracy.
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Gergen, J.. 1982-06-01. Geodetic control. https://ntrs.nasa.gov/citations/19820020844
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