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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BUREAU OF MINES
BULLETIN 86 PLATE XX
FAULT PLANE AT GOLD HILL.
a, Northerly edge of Gold Hill mass, part of the basalt dike ÏÂJ
this hill; b. Cucuracha formation; C, fault zone, which exten it was faulted
d'. mass of old lava pulled down from d (over 100 feet) by frictional drag of hill mass.
downward in late geologic times.