Sujet
Marine geologist on a survey
Légende
Marine geologist on a survey; planting a hydrophone anchor with the cable attached. The Hydrophone would pick up sound from an underwater man made explosion. Geodetic Survey; Cape Blanco area; Oregon; USA 1924
Date
1924
Crédit
Photo12/Ann Ronan Picture Library
Notre référence
ARP17A26_057
Licence
Droits gérés
Format disponible
60,0Mo (2,0Mo) / 31,5cm x 47,7cm / 3725 x 5630 (300dpi)