Page:Popular Science Monthly Volume 74.djvu/422

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418
THE POPULAR SCIENCE MONTHLY
 
PSM V74 D422 Panama canal.png
Upper sketch—Lock canal, A, colo; B, Limen Bay; C, mouth of Chagres River; D, Gatun Locks; E, Gatun Dam; F, Gamboa; G, Pedro Miguel Lock; H, Miraflores Locks; I, Ancon Hill; J, Sosa Hill; K, La Boca; L, Panama; M, Culebra Cut.

Lower sketch—Sea-level Canal, A, Colon; B, Limon Bay; C, mouth of Chagres River; D Gaun; E, Chagres Diversion; F, Bohio; G, Frijoles; H, Gorgona; I, Matachin; J, Gamboa Dam; K, Empire; L, Culebra; M, Paraiso; N, Pedro Miguel; O, Miraflores; P, Corozal; Q, Ancon Hill; R, Sosa Hill; S, La Boca; T, Panama.