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Search Results for the EPA National Library Catalog
Items Found: 2335
Showing: Items 551 - 600
Your Search: (SUBJECT=Rivers)
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Title
Year Published
551
Economic value of instream flow in Montana's Big Hole and Bitterroot rivers
1994
552
Economics of retrofitting Big Rivers Electric Corporation's lime based FGD system to organic-acid-enhanced limestone operations /
1985
553
Economics of Water Supply and Quality.
1971
554
Effect of citrate and carbonate based detergents on wastewater characteristics and treatment /
1977
555
Effect of crude petroleum on oysters heavily infested with Polydora, Cliona, and Martesia.
1950
556
Effect of Cyanuric Acid, a Chlorine Stabilizer, on Trihalomethane Formation.
1984
557
Effect of geographical location on cooling pond requirements and performance /
1971
558
Effect of geographical variation on performance of recirculating cooling ponds /
1974
559
Effect of Hanford plant operations on the temperature of the Columbia River, 1964 to present /
1970
560
Effect of Holding Temperature and Time on Total Coliform Density in Sewage Effluent Samples.
1978
561
Effect of Low-Flow Hydrologic Regimes on Water Quality Management.
1971
562
Effect of mechanical cooling devices on ambient salt concentration /
1976
563
Effect of mechanical cooling devices on ambient salt concentration /
1976
564
Effect of meteorological variables on temperature changes in flowing streams /
1975
565
Effect of Pesticide Residues and Other Organo-Toxicants on the Quality of Surface and Ground Water Resources.
1970
566
Effect of synthetic detergents on the ground water of Long Island, New York : prepared for New York State Department of Health /
1957
567
Effect of temperature and chemical pollutants on the behavior of several estuarine organisms
1974
568
Effect of temperature on aquatic life in the Ohio River: summary, July-December, 1970.
1970
569
Effect of thermal inputs on the populations of fish and macroinvertebrates in the Wabash River
1973
570
Effect of Water Quality and Environmental Factors on Freshwater Fish.
1970
571
Effectiveness of Flood Control Structures of the Lower Minnesota River Watershed District.
1970
572
Effects and methods of control of thermal discharges : report to the Congress by the Environmental Protection Agency in accordance with Section 104(t) of the Federal Water Pollution Control Act amendments of 1972. November 1973.
1973
573
Effects of Acid Precipitation.
1979
574
Effects of acidic precipitation on the water quality of streams in the Laurel Hill area, Somerset County, Pennsylvania, 1983-86
1990
575
Effects of Adaptation on Biodegradation Rates in Sediment/Water Cores from Estuarine and Freshwater Environments.
1980
576
Effects of ambient turbulence on buoyant jets discharged into a flowing environment /
1973
577
Effects of bank stabilization on the physical and chemical characteristics of streams and small rivers
1980
578
Effects of bank stabiliztion on the physical and chemical characteristics of streams and small rivers : an annotated bibliography /
1980
579
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels : fourth progress report /
1985
580
Effects of biologically treated bleached kraft mill effluent on cold water stream productivity in experimental stream channels fifth progress report /
1989
581
Effects of chlorine and sulfite reduction on Lake Michigan invertebrates /
1976
582
Effects of crude oil and some of its components on young coho and sockeye salmon /
1974
583
Effects of heated waste waters on some microorganisms
1972
584
Effects of household sanitary systems on effluent phosphate levels,
1973
585
Effects of hypothetical management scenarios on simulated water temperatures in the Tualatin River, Oregon
2000
586
Effects of liquid detergent plant effluent on the rotating biological contactor /
1978
587
Effects of Oxygen Demand on Surface Reaeration.
1970
588
Effects of petroleum refinery wastewater on water quality in Linnville Bayou (Brazoria/Matagorda County, Texas) /
1994
589
Effects of Phenol Molecular Structure on Bacterial Transformation Rate Constants in Pond and River Samples.
1983
590
Effects of sewage pollution on fishes in Upper Patuxent River
1967
591
Effects of Stream Channelization on Fishes and Bottom Fauna in the Little Sioux River, Iowa.
1971
592
Effects of Stream Straightening on Flood Runoff Characteristics.
1970
593
Effects of suspended solids and sediment on reproduction and early life of warmwater fishes : a review /
1979
594
Effects of temperature on diseases of salmonid fishes /
1974
595
Effects of temperature on the toxicity to the aquatic biota of waste discharges--a compilation of the literature,
1973
596
Effects of the detergent phosphorus ban on municipal wastewater treatment plants in the state of Wisconsin.
1981
597
Effects of thermal and other forms of pollution on some anadromous fishes : part 1 /
1970
598
Effects of thermal discharge on aquatic insects in the Tennessee Valley /
1978
599
Effects of thermal discharge on aquatic insects in the Tennessee Valley /
1978
600
Effects of thermal effluent upon marine fishes near the Crystal River steam electric station
1971
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