Chicago : Engineering and Contracting Pub. Co. · leaf 318
d with peat is given away. In Leipsig, where the sludge is precipitatedwith iron salts and can be dried at relatively-low cost, the city formerly obtained about 12cts. per load; it now obtains 6V£ cts. In 1905,1906 and 1907 the city paid for the removal ofsludge from the sludge beds and… … View Showing Street with Concrete Insets. 304 ENGINEERING & CONTRACTING Vol. XXXVI. No. I The removal of sludge from the sludge bedsis only part of the expense; additional cost isincurred for erecting and maintaining beds,constructing loading apparatus, amounting in1905 to $417.40, not…
Buildings
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