Vol. s4-37, Issue 218, 1914February 01, 1914 EDT
Geologic Reconnaissance of Ayusbamba (Peru) Fossil Beds
Geologic Reconnaissance of Ayusbamba (Peru) Fossil Beds
H. E. Gregory,
Gregory, H. E. (1914). Geologic Reconnaissance of Ayusbamba (Peru) Fossil Beds. American Journal of Science, s4-37(218), 125–140. https://doi.org/10.2475/ajs.s4-37.218.125