Marie Tharp Profile

tharp-heezenThe Smithsonian’s Ocean Blog has a profile of ocean cartographer Marie Tharp, whose discovery of the Mid-Atlantic Ridge’s rift valley provided hard evidence for the theory of plate tectonics.

Previously: Soundings: A Biography of Marie TharpMarie Tharp and Plate TectonicsMarie Tharp.

Soundings by Hali Felt: Amazon (Kindle) / iBooks