Special Scientific ReportUnited States Department of the Interior, Bureau of Fisheries, 1940 - Fisheries |
From inside the book
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... rock is reduced to a rather fine powder and then separated by gravity and water on the " jig - table " . The jig - table operations , therefore , contribute large volumes of waste waters carrying the pulverized rock to- gether with some ...
... rock is reduced to a rather fine powder and then separated by gravity and water on the " jig - table " . The jig - table operations , therefore , contribute large volumes of waste waters carrying the pulverized rock to- gether with some ...
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... rock powder not only covered the Mission Flats but were carried down stream beyond Mission Flat and Cataldo ( fig . 2 ) gradually contaminating the entire Coeur d'Alene River between Mission Flat and its mouth near Harrison , Idaho ...
... rock powder not only covered the Mission Flats but were carried down stream beyond Mission Flat and Cataldo ( fig . 2 ) gradually contaminating the entire Coeur d'Alene River between Mission Flat and its mouth near Harrison , Idaho ...
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... Rock 26 KILLARNEY LAKE Powder Horn Bay BLUE LAKE 25 32 East . Pt . THOMPSON LAKE 22 23 10 SWAN LAKE COEUR D'ALENE RIVER MEDIMONT MEDICINE LAKE Squaw Bay CONKLING PARK LATOUR CREEK MAP OF COEUR D'ALENE LAKE AND COEUR D'ALENE RIVER AND ...
... Rock 26 KILLARNEY LAKE Powder Horn Bay BLUE LAKE 25 32 East . Pt . THOMPSON LAKE 22 23 10 SWAN LAKE COEUR D'ALENE RIVER MEDIMONT MEDICINE LAKE Squaw Bay CONKLING PARK LATOUR CREEK MAP OF COEUR D'ALENE LAKE AND COEUR D'ALENE RIVER AND ...
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... rock powder . As the jig - table method did not recover all of the ore considerable quantities of lead and zinc ore were lost in the tailings and mine wastes and were carried by the water with the other rock particles to be deposited ...
... rock powder . As the jig - table method did not recover all of the ore considerable quantities of lead and zinc ore were lost in the tailings and mine wastes and were carried by the water with the other rock particles to be deposited ...
Page 4
... rock therefore is reduced to a powder much finer than the powder formerly used on the jig - tables and so fine that when shaken in water a considerable portion becomes a true colloidal suspension . The separation of the ore from the ...
... rock therefore is reduced to a powder much finer than the powder formerly used on the jig - tables and so fine that when shaken in water a considerable portion becomes a true colloidal suspension . The separation of the ore from the ...
Common terms and phrases
acid ammonia aquatic animals average bioassays biochemical oxygen demand bittern liquor bottom fauna bromine still waste Buffalo River Bureau of Fisheries carbon dioxide carried Chain of Rocks Chatcolet chemical City of St Coeur d'Alene Lake Coeur d'Alene River compounds creosote Cumberland River deposits dilution dissolved oxygen effluents fish fauna fixed carbonates flume goldfish ground garbage Harrison impoundment incrustations infestation International Falls Joseph River Kanawha River laboratory lead lethal Louis M. M. Ellis material meters mills Mississippi River Missouri mouth Nashville Niagara River Number parasites particles Pearl River Pensacola Dam percent plankton plant polluted portion pollution hazards produced pulp quantities Rainy River redfish river water rock powder samples settling basin sewage silt slimes sodium soluble fraction South Fork Special Scientific Report specific conductance Station stream pollution substances sulphate sulphide suspensoids tests Thompson Flat tion U. S. Bureau unpolluted values various zinc