Finch, James Kip, 1883- · New York : John Wiley & Sons, Inc. · leaf 26
. Triangulation stations andbench marks are permanent points, usually marked on theground by tablets, and used in making the survey for the map. *For complete comparison of practically all government signs see MilitaryTopography. Hagadorn. CONVENTIONAL SIGNS Wagon-roads. Secondary & Private… … Cemetery. ....... ffi Located Township and_Section Corners Triangulation Stations - Bench Marks Mines and QuarriesProspects
Cartography · Military maps
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