ForsideBøgerSome Engineering Problems… Geology And Topography

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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 I BUREAU OF MINES ’T- < jfj ; BULLETIN 86 PLATE I HILL TYPE OF TOPOGRAPHY, LOOKING SOUTHWARD AND SOUTHEASTWARD FROM ZION (RESERVOIR) HILL, CULEBRA. a, Gold Hill, b, Conti actors Hill, c, Ancon Hill, d, Culebra Cut. The hills are composed of igneous rocks ; most of the valleys are in softer sedimentary rocks.