Chicago : Engineering and Contracting Pub. Co. · leaf 156
e mile,lie estimated amount of excavation in thisearal is 1,078,000 cu. yds., and the materialto be excavated is sand and shell marl. Profile August 2, 1911. ENGINEERING & CONTRACTING 141 and sections of the outlet and main canals Para grass to protect the slopes of the canalare shown by Fig.…
Buildings
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