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David Dale Owen was the third son of Robert Owen, a Welsh reformer. He did the first offical state geological surveys of Indiana, Kentucky, and Arkansas. It is likely that David Dale became interested in geology because of his father's partnership with geologist William Maclure. His first geological work was as an assistant mapping the geology of Tennessee, in 1836. He was the founder of the U.S. Geologial Survey.

David Dale Owen

David Dale Owen was the third son of Robert Owen, a Welsh reformer. He did the first offical state geological…