Ключевые слова: ancient, biology, breed, breeding, bridge, broodstock, building, ca, california, crowley lake, environmentalism, feed the fish, feeding, fish, fish hatchery, fishery, fishing, hatchery, hot creek fish hatchery, industry, lake, landscapes, mountain, nature, pond, preparation, rainbow trout, recreating, river, road, science, sierra nevada, signs, sporting, structure, summer, tanks, tour tourism, traditional, troughs, trout, united, water,