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The methods used in primary level and triangulation work in unsettled and broken country (1909)

Stewart, John Truesdale · leaf 198

An illustration from The methods used in primary level and triangulation work in unsettled and broken country, 1909, leaf 198

Geodesy · Surveying · Triangulation · Theses

Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.

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