Some Engineering Problems Of The Panama Canal In Their Relation To Geology And Topography
Forfatter: Donald F. MacDonald
År: 1915
Forlag: Washington Government printing Office
Sted: Washington
Sider: 88
UDK: 626.1
Published With The Approval Of The Govenor Of The Panama Canal
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COLUMNAR STRUCTURE IN HARDENED FLOWS OF MUD-LAVA. THIS JOINTING AFFORDED PASSAGES FOR SEEPAGE WATER FROM THE OBISPO
DIVERSION AND FROM GROUND WATER WHICH SOFTENED THE BASAL MASS, ALREADY UNDER HIGH PRESSURE, AND THUS TENDED TO PROMOTE
THE LARGE SLIDE AT STATION 1652 SHOWN IN PLATE XXVI.
BULLETIN 86 PLATE XXVIII