Evans, John

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A sketch of the life and scientific services of John Evans, M.D., U. S. geologist for Oregon and Washington territories, and of the U. S. Chiriqui exploring expedition
Charles T. Jackson

American Journal of Science November 1861, s2-32 (96) 311-318; DOI: https://doi.org/10.2475/ajs.s2-32.96.311