Ka Hoku o Hawaii, Volume XXXI, Number 36, 6 January 1937 — FROZEN EARTH PREVENTS SLIDE [ARTICLE+ILLUSTRATION]

FROZEN EARTH PREVENTS SLIDE

This picture siiowc how a new wnnkle in automatic fF2ezing was introduced at VVashtnaton's Grand Ooulee dam. to stop a slide of 200,0.00 cubic yards into the east excavation. Through six mi!es of pipe, the tops of whieh are pictured here, two refrigeration machines pumped chilled brine to freeze a 105 foot dam. (Associated Presc Photo)