// todo need optimize like in event.jsp. Add indexing or not indexing this page. Discovery of pacific fracture zones (27 déc. 1925 – 28 févr. 1939) (La bande de temps)

Discovery of pacific fracture zones (27 déc. 1925 – 28 févr. 1939)

Description:

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.