Vol. s4-9, Issue 51, 1900March 01, 1900 EDT
Silurian-Devonian Boundary in North America; I, the Chapman Sandstone Fauna
Silurian-Devonian Boundary in North America; I, the Chapman Sandstone Fauna
Henry S. Williams,
Williams, H. S. (1900). Silurian-Devonian Boundary in North America; I, the Chapman Sandstone Fauna. American Journal of Science, s4-9(51), 203–213. https://doi.org/10.2475/ajs.s4-9.51.203