Using data related to stream order and the morphological characteristics associated with streams of different discharge rates, an estimate of the river resources of the United States is made. The national totals are: 3,200,000 miles total length of rivers; 15,000 square miles of river surface; and 29 cubic miles of water stored in river channels. Using the same techniques, more exact estimates may be made for individual river basins. Suggestions are given for application of the techniques and river data in the management of water resources.
Although none of the organisms found in surface waters may be injurious to health, domestic water supplies must be free of such organisms, since they, or their by‐products, may interfere with filtration and cause customer complaints. The authors have compiled various reports and surveys and their results will be of interest to all concerned with water quality.
A three‐year‐old Environmental Protection Agency program in lake restoration provides matching Federal funds to improve and enhance freshwater lakes. To date, fisheries scientists have not been active in many of the funded projects. Fisheries personnel need to play a role in the local development and implementation of restoration programs to assure protection and enhancement of a fishery, one of a lake's most important and beneficial uses. Some fish improvement programs would be eligible for fifty percent Federal matching funds.
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