Engineering and Contracting . not far distantwhen railways will be used for long distance haulagewith trucks doing the terminal haulage by road as wellas all kinds of haulage up to 100 or more miles. The provisioning of Verdun with food and munitionsgreatly by motor trucks has been a wonderful object les-son which railroad people would do well to let sink intotheir minds. Yours very truly, The Pierce-Arrow Motor Car Co., John Younger,Chief Engineer Truck Department. Buffalo, N. Y. July 30, 1916. ENGINEERINGAXD CONTR.\CTING HOME-MADE CONVEYOR FOR BACKFILLINGRETAINING WALL. Contributed by W. F.
Engineering and Contracting . not far distantwhen railways will be used for long distance haulagewith trucks doing the terminal haulage by road as wellas all kinds of haulage up to 100 or more miles. The provisioning of Verdun with food and munitionsgreatly by motor trucks has been a wonderful object les-son which railroad people would do well to let sink intotheir minds. Yours very truly, The Pierce-Arrow Motor Car Co., John Younger,Chief Engineer Truck Department. Buffalo, N. Y. July 30, 1916. ENGINEERINGAXD CONTR.\CTING HOME-MADE CONVEYOR FOR BACKFILLINGRETAINING WALL. Contributed by W. F. Schaphorst. Woohvonh Building. New York City. A large river wall was very recently completed in CedarPvapids, Iowa. This wall was of concrete and was 26 and designed to protect abutting property from theseasonal floods of the Red Cedar River. When the foot-ings were built the mud excavated from the site was piledin front, forming an earth cofferdam. After the wallhad been completed this same mud was used as Backfilling Device for billing Behind Retaining Wall. The problem of moving the mud from in front of thewall to its desired position behind it was solved by theconstruction of a novel and effective ladder buckets of this conveyor, which is shown in the ac-companying view, are wide strips of metal which slideup a plank at an angle of about 60 degrees with the plankand empty as they pass over the sprocket at the top. Agang of men at the bottom shoveled the mud into thebuckets. METHODS OF REMOVING STUMPS BYBLASTING. Contributed by Thomas M. Knight. E. I. Du Pont de Nemours Co.,Wilmington. Del. The removing of stumps is no longer dreaded by thecontractor. In days past when they were taken out bythe slow, tedious process of grubbing, the task was a realone, but now with improved methods, the operation isgreatly simplified. There are several factors that enter into and influencethe character of the blast and determine the location andsize of the cha
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Keywords: ., bookcentury1900, bookdecade1900, bookpublisherchicago, bookyear19
