pl23_map00234.jpg

1935 map of Earthquake Zones showing correlation with Pacific Ring of Fire,Mid-Atlantic Ridge, and segments of ridge in both Pacific and Indian Oceans

Description

1935 map of Earthquake Zones showing correlation with Pacific Ring of Fire,Mid-Atlantic Ridge, and segments of ridge in both Pacific and Indian Oceans. Map produced by Nicholas Heck of the United States Coast and Geodetic Survey.

Collection

Voyage to Inner Space