. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 272 CALIFORNIA FISH AND GAME California. It lies on the west slope of the Sierra Nevada at an elevati(jn of 3,397 ft. Its maximum surface area covers 720 acres, and it impounds a total of 97,800 acre-feet of water, with approximate maximum and mean depths of 273 and 135 ft, respectively. The drainage area is 309 square .. »•« FIGURE 1—Beardsley Reservoir, Tuolumne County, viewed from top of dam iooicing east. Total annual fluc
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. 272 CALIFORNIA FISH AND GAME California. It lies on the west slope of the Sierra Nevada at an elevati(jn of 3,397 ft. Its maximum surface area covers 720 acres, and it impounds a total of 97,800 acre-feet of water, with approximate maximum and mean depths of 273 and 135 ft, respectively. The drainage area is 309 square .. »•« FIGURE 1—Beardsley Reservoir, Tuolumne County, viewed from top of dam iooicing east. Total annual fluctuation in Beardsley Reservoir from 1958 througli 1967 averaged 106 vertical feet (range: 72 to 135 ft). Tlie minimum operating level of 3,261 ft above mean sea level was approached during several years but only for relatively brief periods. At this point, the reservoir capacity is 19,903 acre-feet with a surface area of about 420 acres. An electric power plant located at the base of the dam is operated year around. Water is drafted almost continuously at the rate of from 550 to 625 cfs. The point of withdrawal is about 252 ft below the maxi- mum operating level (3,397 ft msl). A small afterbay just downstream from the dam regulates the outflow from the power plant into the river. It is about one mile long, has a capacity of 320 acre-feet, and a surface area of 26 acres. The limnology of Beardsley Reservoir is described by Nicola and Borgeson (1970). In general, it has the attributes of a moderately oligo- tropic lake. A wild brown trout {Salmo trutta) population and a small wild population of rainbow trout exist, along with dense non-game fish populations. The most abundant non-game fishes are the western sucker {Catostomus occidentalis) and the hitch [Lavinia exilicauda). A single major access road leads to the reservoir. A check station was established on this road, and here a census clerk interviewed all anglers leaving the Please note that these images a
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