J Harlen Bretz

J Harlen Bretz in 1949 J Harlen Bretz (2 September 1882 – 3 February 1981) was an American geologist, best known for his research that led to the acceptance of the Missoula Floods and for his work on caves. Provided by Wikipedia

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    by Boyd, Louise Arner
    Published 1935
    Contributors: ...Bretz, J. Harlen...
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