A treatise on surveying, comprising the theory and the practice ; (1887)
Gillespie, W. M. (William Mitchell), 1816-1868, Staley, Cady, 1840- [from old catalog] ed · New York, D. Appleton and company · leaf 138
ichcontains the field-notes of the lines bounding a field. 196. New York Canal-Maps. The following is a description ofthe original maps of the survey of the line of the New York ErieCanal, as published by the Canal Commissioners. The figurerepresents a portion of such a map, but, necessarily, with… … rection of the length of the canal were made. The bearings refer to the magnetic meridian at the time of the survey. The lengths of the several portions are inserted at the end of each in chains and links. The offsets at each station are represented by red lines drawn across the canal in such a…
Surveying
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