Vol. s2-30, Issue 90, 1860November 01, 1860 EDT
Additional Note on the Potsdam Fossils
Additional Note on the Potsdam Fossils
Elkanah Billings,
Billings, E. (1860). Additional note on the Potsdam fossils. American Journal of Science, s2-30(90), 337–338. https://doi.org/10.2475/ajs.s2-30.90.337