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The methods used in primary level and triangulation work in unsettled and broken country (1909)
Stewart, John Truesdale · leaf 194
/°os/f/on of Hs/nc/ br><?&k a/ycf sfctf/os? f//ne of it I h i ! 1 51 ■MISS: liiKiiBliffi^liB!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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