Chicago : Engineering and Contracting Pub. Co. · leaf 209
August 16, 1911. ENGINEERING & CONTRACTING 195 hat the water applied will do the greatestood. He must have his head and wasteitches located right and run on the properrade and his corrugations should run in suchirection that there will be the least amountf soil wash and yet no danger of…
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Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.