Discovery of pacific fracture zones (27 dic 1925 anni – 28 feb 1939 anni)
Descrizione:
Systematic tracklines were conducted across the gulf of Alaska by the coast and geodetic survey. Many new canyons on the east coast were discovered. This event is significant becuase it gave the united states more insight on what was actually out there.
Aggiunto al nastro di tempo:
Data:
27 dic 1925 anni
28 feb 1939 anni
~ 13 years
Immagini: