Happy birthday to #geologist & #cartographer Marie Tharp who discovered the mid-Atlantic ridge! #womeninstem #hist… https://t.co/1u1MasxJyI http://pic.twitter.com/0oRTNKIB9i
— Ele Willoughby (@minouette) July 30, 2017
via Twitter https://twitter.com/minouette
July 30, 2017 at 06:31PM
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