. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. L54 CALIFORNIA FISH AND GAME. Fig. 47. A self-filling- quail watering- device, the "gallinaceous guzzler" at Kettleman Hills. The oiled-earth collecting apron collects winter rainfall into a 750-gallon subsurface tank, 30" deep. A sloping trough is connected to the tank. Water in the trough and tank is in hydrostatic level. As the water level lowers throughout the summer, birds merely walk farther down the sloping troug
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. L54 CALIFORNIA FISH AND GAME. Fig. 47. A self-filling- quail watering- device, the "gallinaceous guzzler" at Kettleman Hills. The oiled-earth collecting apron collects winter rainfall into a 750-gallon subsurface tank, 30" deep. A sloping trough is connected to the tank. Water in the trough and tank is in hydrostatic level. As the water level lowers throughout the summer, birds merely walk farther down the sloping trough to g-et their drink. Several types of watering devices were developed and tested through- out the Hills. In general, water was supplied from high pressure lines of the two principal oil companies. We tapped these lines with \" pipe and supplied high pressure valves which were left open only enough to allow water to drip into shallow, concrete basins. Roughly 50 new watering sites of this type have been placed throughout the Hills by the Division of Fish and Game. While water was available at many of the oil wells, lack of cover and excessive human activity rendered much of this water valueless to quail. Consequently, much of our effort has been toward piping this water a distance from the bare area around the well to a clump of cover, or to some place where cover could be developed. Scrap supplied by the oil companies furnished most of the pipe for taking water to more advan- tageous situations. Most of the watering installations so placed were fitted with a valve which was left slightly open, thus supplying wrater for cover plantings about the drinking fountain. In some areas, where water conservation was a problem, float valve installations such as have been employed by the Division of Fish and Game in other development work were placed on low pressure lines and tended regularly to see that the valves worked freely. The inverted siphon tank, which consists of a 50 gal
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