Vol. s4-40, Issue 236, 1915August 01, 1915 EDT
A New Nebraska Mammoth, Elephas hayi.
A New Nebraska Mammoth, Elephas hayi.
Erwin Hinckley Barbour,
Barbour, E. H. (1915). A New Nebraska Mammoth, Elephas hayi. American Journal of Science, s4-40(236), 129–134. https://doi.org/10.2475/ajs.s4-40.236.129