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 Marie Tharp and Bruce Heezen produced this 1977 map with Austrian painter Heinrich Berann

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Marie Tharp the first woman and human to map out the sea floor

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her first map made by echolocatiing the bottom of the sea floor 

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her reading data and well mapping out her map

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this shows some of the data she used to draw her maps it shows highs and lows of scans 

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she was born in July 30th 1920 as an only child she moved alot to stay with her father she passed high school and took a year off before going to Ohio uni until ww2 broke out and woman could get more jobs since she took a geo class in school she singed up to become a geologist

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harp took a job at the Stanolind Oil company in Oklahoma, as a junior geologist but she did not like it as she was not allowed to go out into field and was office bound to draw maps for the men while working she enrolled at the tulsa uni for a mathematics degree

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she spent 4 more years there untill she moved to new york She eventually found work with Maurice Ewing, the founder of the Lamont Geological Observatory she did not even tell about the fact she had a degree in geo
she started by working with  Bruce Heezen using photo data to uncover old sunken planes then after that she only did work on mapping the sea bed

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harp was continuously promoted from 1952 to 1968, when her position was cut and moved due to lab politics involving Heezen untill heezen's death in 1977 and due to the cold war sea floor maps could not be published  over fear of use by the soviets but in the first 18 years of there collaboration Heezen collected bathymetric data aboard the research ship Vema, while Tharp drew maps from that data, since women were barred from working on ships at the time. Her work with Heezen represented the first systematic attempt to map the entire ocean floor.

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Tharp and Heezen published their first physiographic map of the North Atlantic in 1957. Still, Tharp's name does not appear on any of the major papers on plate tectonics that he and others published between 1959 and 1963. Tharp continued working with graduate student assistants to further map the extent of the central rift valley even after hezeen's death she still work on her maps and in 1983 when she opened her own  map-distribution business and when she retired she donated her maps to the library of congress during this time get won many awards for her work until her death in 2006 she was 63 years old