Vol. s4-25, Issue 149, 1908May 01, 1908 EDT
On the Lower Paleozoic Stratigraphy of Southwestern Illinois
On the Lower Paleozoic Stratigraphy of Southwestern Illinois
Thomas Edmund Savage,
Savage, T. E. (1908). On the Lower Paleozoic Stratigraphy of Southwestern Illinois. American Journal of Science, s4-25(149), 431–443. https://doi.org/10.2475/ajs.s4-25.149.431