Rock Channeler at Work.
These Machines were Used in the Pedro Miguel Lock, Where the Natural Foundation was Hard Trap Rock.
They Cut Grooves Into this Rock to the Required Depth for the Installation of the Floor Culverts, After which
the Material was Blasted Loose, the Aim Being Not to Disturb the Rock Between the Culvert Trenches.
They were also Used in the Canal Near Bas Obispo where the Excavation was Through Solid Rock.

Panama and the World's Greatest Canal—by Ralph E. Emery-1915—Leslie-Judge Company

Panama Canal | Contents Page

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