Underwater rock removal /
Sargent, J. H.
London ; CIRIA Underwater Engineering Group,
1975.
References: p. 92-102.
Rocks.
Dredging.
Dredging machinery.
"This document is confidential to Members of the Underwater Engineering Group of the Association and thier staffs. It is not to be published nor reproduced in any other way, in full or in part, nor circulated to other persons or organisations, without written permission."