_ Surveying. See also Acoustic triangulation. Geodesy. Architectural surveying. Geometry. Barometer. Gradienter. Base lines. Hypsometry. Earthworks. Levelling. Engineering. Marine surveying. For any subject named on this card but not found in this Catalogue, see the Bates Hall Catalogue.
 
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This card was printed at the Boston Public Library, January 23, 1018.
L3254