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Show Explanatory " SECOND FOOT." The rate at which water flows is commonly measured in second feet. A second foot is a flow of one cubic foot of water per second. It may be visualized by imagining a cubic foot of ice passing a given point every second. '" ACRE FOOT." The acre foot is a measure of quantity. It is the quantity of water that will cover one acre ( 43,560 square feet) one foot deep. The block in Salt Lake City upon which the City and County Building stands, contains ten acres. It would therefore require 10 acre feet of water to cover the entire block one foot deep. Water flowing at the ra+ e of one second foot during 24 hours will cover an acre 1.98 feet deep, or in other words will result in a quantity of 1.98 acre feet. GEOGRAPHY. The text of this report assumes a familiarity with the geography of the Salt Lake Valley and vicinity, and of those parts of the State of Utah to which reference is made. The topographic map preceding the title page will supply any deficiencies occasioned by this assumption, and will also afford an interesting view of the physical situations and relationships. UNIVERSITY OF UTAH LIBRARIES > |