Joseph Pennell's pictures of the Panama canal: reproductions of a series of lithographs made by him on the isthmus of Panama, January-March, 1912 (1912)
r Bas Obispo—fromthis place—where the Chagres River enters Gatun Lake,the cut extends for nine miles, to Pedro Miguel. All be-tween here and Gatun will be under water. The drawingwas made at the bottom of the cut, and the various levelson which the excavations are made may be seen. The dirttrains,… … • r-: ^^^&Jw9 XIIIN THE CUT AT LAS CASCADAS XII IN THE CUT AT LAS CASCADAS THIS drawing shows the cut and gives from above someidea of the different levels on which the work is carriedout. It is on some of these levels that slides have occurredand wrecked the work. The slides move slowly, not…
Lithography
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