P-ISSN 0002-9599
E-ISSN 1945-452X
Vol. s4-45, Issue 269, 1918May 01, 1918 EDT
Fossil Footprints From the Grand Canyon of the Colorado
Fossil Footprints From the Grand Canyon of the Colorado
Richard Swann Lull,
Lull, R. S. (1918). Fossil Footprints From the Grand Canyon of the Colorado. American Journal of Science, s4-45(269), 337–346. https://doi.org/10.2475/ajs.s4-45.269.337