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Determining the Elevations
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Coast-Geodetic-Survey
Geodesy
Determining the Elevations - Leveling a Continent
Geodesy
Fording river during the course of the day's leveling.Level party of Ira Rubottom
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A typical instrument position during Salmon River leveling.Level party of Ira Rubottom
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A typical rod position during Salmon River leveling.Level party of Ira Rubottom
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Instrument man signaling rodman to move to left.Level party of Ira Rubottom
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Bench mark setters transportation during Salmon River leveling.Level party of Ira Rubottom
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Leveling through the snow.Level party of Ira Rubottom
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Leveling through the snow.Level party of Ira Rubottom
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First order level observations in Brazil.Special training mission of Joseph Lushene
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Zeiss level instrument at the Instituto Geographico Militar.Special training mission of Joseph Lushene
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Leveling upper mark with accuracy only to cms.Special training mission of Joseph Lushene
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Level party crossing bayous near Dugdemona River.Level party of R. C. Darling
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Not the best bridge, but it will work.Level party crossing bayous near Dugdemona River.Level party of R. C. Darling
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C. F. Ellingwood recording during leveling of White House.Level party of Howard Rappleye
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E. J. Parkin observing levels at White House, South Portico.Level party of Howard Rappleye
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Leveling operations on Anacapa Island.Carrying elevation from bench mark up vertical cliff.Note steel tape.Level party of Lorne G. Taylor
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Leveling operations on Anacapa Island.Carrying elevation from bench mark up vertical cliff.Note steel tape and lighthouse in background.Level party of Lorne G. Taylor
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Leveling operations at the White House.Level party of Howard Rappleye
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Teaching Liberians precise leveling techniques.Party of George Morris
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Mechanized level crew moving up.Level party of Emerson E. Jones
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Rodman in the Louisiana mud.
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