Marie Tharp: Uncovering the Secrets of the Ocean Floor - with Helen Czerski
Why the open web links it
Tells the story of Marie Tharp's groundbreaking ocean floor mapping and its impact on the theory of continental drift.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including vt.edu, libretexts.org, pressbooks.pub, geogarage.com, helenaschools.org.