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Technical Report 3

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$Results of Leveling Refraction Tests by the National Geodetic Survey$

Results of Leveling Refraction Tests by the National Geodetic Survey

CITE Title : Results of Leveling Refraction Tests by the National Geodetic Survey Personal Author(s) : Whalen, Charles T. Corporate Authors(s) : National Geodetic Survey (U.S.) Published Date : 1981 Series : NOAA technical report NOS 92 NGS 22 URL : /view/noaa/55262 Whalen, Charles T. (1981). Results of Leveling Refraction Tests by the National Geodetic Survey. Whalen, Charles T. "Results of Leveling Refraction Tests by the National Geodetic Survey" (1981) Whalen, Charles T. "Results of Leveling Refraction Tests by the National Geodetic Survey" , 1981 Export RIS Citation Information.

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Whalen, Charles T.

1981 | NOAA technical report NOS 92 NGS 22

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The National Geodetic Survey (NGS), a component of the National Ocean Survey, NOAA, conducted leveling refraction tests at a site near Gaithersburg, M...
Control leveling

CITE Title : Control leveling Personal Author(s) : Whalen, Charles T. Corporate Authors(s) : National Geodetic Survey (U.S.);National Ocean Survey; Published Date : 1978 Series : NOAA technical report NOS NGS ; 73-8 URL : /view/noaa/30816 Whalen, Charles T. (1978). Control leveling. Whalen, Charles T. "Control leveling" (1978) Whalen, Charles T. "Control leveling" , 1978 Export RIS Citation Information.

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Whalen, Charles T.

1978 | NOAA technical report NOS NGS ; 73-8

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Control leveling is used to determine precise elevations of bench marks (monumented points) above or below a reference surface called a datum. The Nat...
Test results of first-order class III leveling

CITE Title : Test results of first-order class III leveling Personal Author(s) : Whalen, Charles T.;Balazs, Emery I.; Corporate Authors(s) : National Geodetic Survey (U.S.);National Ocean Survey; Published Date : 1976 Series : NOAA technical report NOS NGS ; 68-4 URL : /view/noaa/32469 Whalen, Charles T. and Balazs, Emery I. (1976). Test results of first-order class III leveling. Whalen, Charles T. and Balazs, Emery I. "Test results of first-order class III leveling" (1976) Whalen, Charles T. and Balazs, Emery I. "Test results of first-order class III leveling" , 1976 Export RIS Citation Information.

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Whalen, Charles T. ;

Balazs, Emery I.

1976 | NOAA technical report NOS NGS ; 68-4

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The National Geodetic Survey has programmed for a partial releveling of the firstorder, National vertical control net and for readjustment of the enti...