Frühling system of suction dredging.
Contributors: YA Pamphlet Collection (Library of Congress)
Publisher: Offices
Published: 1907
Place of publication: New York
Language: eng
Number of pages: 30
Subjects: Dredging.; Dredges.
Notes: "Description of the special features of the system. Description of the various dredgers built. Reports on the actual operations. Application of system to work in the United States."