. Electric railway review . oon to be built from Lake Michigan to apoint opposite the park and which is planned to extend tothe Gulf of Mexico by way of the Illinois and Mississippirivers. Formerly a small stream ran through the ravine, of suchinsignificant proportions that it was often nearly dry in the .February 16, 1907 ELECTRIC RAILWAY REVIEW izo summer. This has been dammed by two reinforced concretegravity dams to form two lagoons, one with an area of ISacres and the other acres, which afford excellent oppor-tunities for boating, bathing and other water spurts in thesummer and skatin
. Electric railway review . oon to be built from Lake Michigan to apoint opposite the park and which is planned to extend tothe Gulf of Mexico by way of the Illinois and Mississippirivers. Formerly a small stream ran through the ravine, of suchinsignificant proportions that it was often nearly dry in the .February 16, 1907 ELECTRIC RAILWAY REVIEW izo summer. This has been dammed by two reinforced concretegravity dams to form two lagoons, one with an area of ISacres and the other acres, which afford excellent oppor-tunities for boating, bathing and other water spurts in thesummer and skating in the winter. Both dams were built by the Amlmrsen Hydraulic Con-struction Company, of Boston. Mass. The u\ per dam is 40 designed with an eye to beauty and make a very effectiveappearance. The finish of the concrete work in the dams and bridges,as well as in other parts of the park, is especially care has been taken to remove the form-marks andto give a smooth surface. On all plain work the concrete has. Dellwood Park—Interior of Dancing Pavilion. feet long by 15 feet high. The lower is 170 feet long by 18feet high, with an 82-foot spillway. The lower dam, whichis illustrated in one of the engravings, is located at one side ofthe entrance to the grounds and gives a very effective ap-pearance to the first view of the park. This dam is hollowand contains a passageway under the spillway, which islighted at night. The walks on both sides of the ravine are connectedby means of concrete stairways with promenades extendingout over the dam as far as the spillway on each side. At theright of the spillway is a glass cascade 16 feet long by 9high, which is lighted at night by Cooper-Hewitt mercury Dellwood Park—Three-Span Concrete Bridge. been rubbed smooth with sandstone. In other places theedges have been rubbed smooth to form a border two orthree inches wide and the remainder of the surface has beenbush-hammered. In some cases this process has been re-versed an
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectstreetr, bookyear1906
