Vol. s4-12, Issue 72, 1901December 01, 1901 EDT
Geology of the Little Colorado Valley
Geology of the Little Colorado Valley
Lester Frank Ward,
Ward, L. F. (1901). Geology of the Little Colorado Valley. American Journal of Science, s4-12(72), 401–413. https://doi.org/10.2475/ajs.s4-12.72.401