Show the roosevelt dam in arizona the roosevelt dam will eclipse in magnitude of cubic contents all of the dams at present under construction by the reclamation service it will contain cubic yards of mason ry or over six times more than the pathfinder and nearly five times as much as the shoshone dam its height will be feet from foundation length on top feet or including bridges 1080 feet and its thickness at the base feet in plan although built in the form of an arch this structure differs from the shoshone and pathfinder dams in be ing of the gravity type wherein mass alone is sufficient to secure stability the resulting reservoir will be the lar gest artificially formed lake in the world a body of water 25 miles long in places over two miles wide with a storage capacity of 1 acre feet and a maximum depth of over feet the dam and reservoir writes henri V lemenager in the Amerl cin review of reviews are the main features of the salt river project for the irrigation of lands in the salt river tauey tn the vicinity of phoenix ariz ten years ago we were wondering what name we should give to the automobile thus far no one has bothered about a name for the flying machine this golsto show how much of an in fant industry the one that is just try ing its wanga really IB uninjured mammoth remains are among the vast natural resources of siberia awaiting exploitation for commercial purposes the skeletons arc more valuable than the best indian ivory |