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36 character conducted here have been unfavorable within the limits of the harbor. Craft of every sort have been moved freely from place to place, and the harbor is filled with what is probably the largest fleet of heavily laden boats:and barges of coal and steel products. Not. the slightest inconvenience to navigation is apparent, nor has a complaint been THE Marine. REVIEW and coalboats would be resting on the riverbed. Indeed,. there would hardly have been sufficient water for sewer disposal, and the natural pools with- in the boundaries of the city would long since have become mere puddles of reekitg filth, too unsanitary to countenance, Nor is this ustial one as to. call an un- special instance suc forth Shio River, Lock No.2 ' past we have been experiencing one of the most extreme droughts of which there is any ree- ord. But after all moderate or normal seasons are greatly in the majority, They are marked by seasonable rains --just enough to keep the ground in proper condition for vegetation. How- ever, during such seasons the rivers frequently fall to a low stage--too CHANOINE WICKETS OF NAVIGABLE PASS ISLAND DAM (NO. 1) OHIO RIVER. RAISING AT DAVIS DAM NO. 2, OHIO RIVER, VIEW FROM BELOW. LENGTH OF CHAN- OINE WICKETS 17 FT. 1014 IN., PROBABLY THE LONGEST IN OPERATION. Oo ope ee ee LOCK AND DAM NO. 13, MONONGAHELA RIVER, MORGANTOWN, W. VA. 15 MILES ABOVE DAM NO. 2, ALLEGHENY RIVER, UNDER CONSTRUCTION. uttered from any source. Imagine, if you can, what would be the condi- comment. -To some extent such con- ditions recur practically every year. low for navigation,--and without the artificial pool at Pittsburg everything tions without this slackwater pool. Seldom does a summer season pass in the harbor would be at a stand- For fully four months past there without producing a considerable peri- still. Mills, factories and smaller es- would not have been sufficient water od of natural low water. To be tablishments, even private dwelling to float much more than an empty sure there are moderately dry seas- houses could not secure coal by wa- skiff over the shallows. Not a single ons and moderately wet seasons, and' ter. Sand and gravel for concrete steamboat, or even pleasure motor boat, could have moved about the harbor. All the vast fleets of barges then the two extremes--very wet and very dry, But the latter are not -of frequent occurrence. For four months constructions, street paving, etc., now used in such large quantities could not be delivered at landings;