Davies, Charles, 1798-1876 · New York, Cincinnati [etc.] American book company · leaf 321
Fig. 162.—Eailroads, Canals, Iron bridges, Eocky-cliffs, Mid-river drift, Water-worn Rocks. Mixed Woods over hill curves. … Fig. 163.—Eroded drift banks, with boulders set free; and scrub deciduous woods. BOOK VIII.] TOPOGRAPHICAL SFRVEYING. 315
Surveying
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