Show WOODEN FLUMES ARE COSTLY Extremely Wasteful of Water Soon Pulling Apart and Cracking Cracking Con Con Concrete crete creto Is Best Material Wooden flumes are still built in some sections notwithstanding the progress that is being made in Irrigation tion development The first cost of these is hl high h in most places but no matter how cheap may be the cost of construction it Is g generally the I least ast expense to put ut In the the- better systems such euch as are In use in Wyoming A wooden flume flum requires constant constadt re re- pairs It Is extremely wasteful of water water wa ter soon pulling apart and cracking from the effects of the alternate swelling and shrinking of the mate mate- rials It is expensive to build bund and maintain a flume anywhere especially across broken or rolling land Of necessity ne ne- ne- ne a flume must be- be be on a un uniform uniform uni uni- form grade It is necessary nece that it should be supported on a trestle le I or embankment across low places The I embankment is subject to injury from burrowing gophers and both trestles and embankments are subject to washouts wash outs and the more modern theory is le to obviate all this trouble by putting in concrete conduits or conforming conform ing lag to the lay of the land and having enough strength to withstand a medium medium me me- pressure |