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Zadock Thompson

Vermont State Geologist (1849 - 1856)

Zadock Thompson (1796 - 1856), State Naturalist, 1853 - 1856, while assistant to the State Geologist, 1845 - 1847, made special studies of Vermont mountain heights and Chittenden County trap dikes. His preliminary estimates appeared in his 1842 History of Vermont, p. 8. Portrait from an engraving by F. C. Buttre in the Wilbur Collection, UVM. To read the Reports of the Vermont State Geologist, click here.

Generalized Geologic 
	Map of Vermont - 1970 - click for larger map image

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