. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ANADROMOUS FISH LOSSES 251 In the spring of 1955, then, practically all of the diversion sampling; was done on the San Joaquin River and in the Sacramento-San Joaquin River Delta. Pump diversions in which nets were fished along the San Joaquin included the Banta-Carbona Irrigation District and the El Solyo and Patterson Water Companies, located along a 43-mile section of the San Joaquin River between Stockton and Patterson. The large
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. ANADROMOUS FISH LOSSES 251 In the spring of 1955, then, practically all of the diversion sampling; was done on the San Joaquin River and in the Sacramento-San Joaquin River Delta. Pump diversions in which nets were fished along the San Joaquin included the Banta-Carbona Irrigation District and the El Solyo and Patterson Water Companies, located along a 43-mile section of the San Joaquin River between Stockton and Patterson. The large West Stanislaus Irrigation District diversion above Stockton was not sampled, but previous studies had shown this pumping plant to be an important salmon destroyer. All of the diversions sampled in 1955 on the San Joaquin River appear to be destroying more fingerling salmon than any of those sampled during the 1953, 1954, or 1955 seasons along the upper Sacramento River (Table 3). Of those diversions on the San Joaquin which were successfully studied, the Banta-Carbona Irrigation District pumping plant appears to be one of the greatest destroyers of young salmon. Tins irrigation district includes 17,000 acres of land. The diversion point is located on the west bank of the San Joaquin some 10 miles east of Tracy. The water Mows by gravity about one mile to the headworks, where there are 10 pumps ranging in size from 10 to 36 inches in diameter. The average monthly How through these pumps during April, May, and June for the five-year period PUS through 1952 was slightly over 125 cubic feet per second. Juvenile salmon mi- grating down the San Joaquin River past the intake originate in the Merced, Tuolumne, and Stanislaus Rivers, all of which flow into the. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Califo
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