246 INDEX 



PAGE 



Olive, sewer diagrams 184 



Omaha, sewer gaging at 135 



Outfall, sewer system 195, 



Paper for maps 1 6 



Patents, separate system 2 



Pavements, areas of, per acre 72 



classified as to shedding rain 71 



Perpendicular system of laying out 196 



Philadelphia, rainfall at 46 



water waste in 107 



Pile-driver for borings / 21 



Pipe- joints, tightness of 148 



Plans for sewer system 196 



Population, density of, relation to sewage discharge 70 



studies in, by Kuichling 99 



increase, from Rafter and Baker. 97 



predicting future 93 



Potter on leakage into sewers 151 



Profiles on map 24 



de Prony's formula for flow '. 166 



Providence rainfall studies 32 



Radial system of laying out 200 



Rafter and Baker on population 97 



ground-water 144 



Rainfall, discharge in sewers 54 



intensity of, and duration 39 



diagrams 42 



studies in Brooklyn 32 



Rainfalls reported excessive by Weather Bureau 34 



Rate of rainfall 35 



Rhoads-Williams flush-tank 217 



Robinson formula for flow 172 



Rochester, description of sewer districts 59 



gagings of storm-sewers 56 



rainfall at 42 



water-consumption in 1 29 



Rock, boring for 20 



Rogers Park, amount of ground-water 144 



Roofs, area of, per acre 72 



Rosewater's design, Miller flush-tank 222 



Run-off diagram for New Orleans 90 



of New York Department of Public Works 76, 85 



from roofs, pavements, etc 73 



from various cities 67 



