Public works . o pay for its opera-tion as well as having cut the weightof empty bag; shipments in half. It hasmade it possible to return and getcredit for nearly 96 per cent of thebags originally received. The first concrete in this dam wasplaced in August, 1916, but due to thewar and the shortage of help immedi-ately following, but slight progresswas made until the summer of 1921. At the close of that seasons opera-tions about 65 per cent of the workwas finished and another year ought tosee the entire undertaking completed. The dam was designed and its loca-tion determined by former city eng
Public works . o pay for its opera-tion as well as having cut the weightof empty bag; shipments in half. It hasmade it possible to return and getcredit for nearly 96 per cent of thebags originally received. The first concrete in this dam wasplaced in August, 1916, but due to thewar and the shortage of help immedi-ately following, but slight progresswas made until the summer of 1921. At the close of that seasons opera-tions about 65 per cent of the workwas finished and another year ought tosee the entire undertaking completed. The dam was designed and its loca-tion determined by former city engi-neer Frederick A. McClure. underwhose direction and supervision theconstruction was begtin and nearlyhalf finished. Its construction has been under tiiejoint supervision of the Engineeringand \\ater Departments. George-. , the water commissioner,h^s furnished al materials and sup-city engineer David M. Earle di-lervises the work, assisted by Leon A) has served as superintendent since thethe MOWN .STREAM FA|-K OF DAM, SHOWINC IXSIECTIOX .EXTRAXCE TO IT. SHORT PILE COFFER DAJIS TX FORECltOUXDUP AND DOWN STREAM SECTIONS OF FOUNDATIONS. 400 PUBLIC WORKS Vol. 52, No. 22 Miles Acid Process Present Status of the process describedby the Chief Chemist of the SanitaryDistrict of Chicago. American testsand European plants. Economic andmechanical difficulties. Equipmentnece^ary Some months ago we described at length the]Miles acid process of treating sewage, giving theresults of tests that had been made by several investi-gators. An unprejudiced and clear statement of thepresent status of this method of treating sewage waspresented in a paper before the Engineers Society ofWestern Pennsylvania by F. W. Mohlman, chiefchemist of the Sanitary District of Chicago. Someof the salient features of Mr. Mohlmans paper areabstracted below. The patent for this treatment was taken out by G.\V. Miles in 1915 and covers a method of purifyingsewage and recovering therefrom
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectmunicip, bookyear1896
