Vol. s3-39, Issue 229, 1890January 01, 1890 EDT
The Devonian System of North and South Devonshire [and Comparison With the Devonian of the Appalachian Basin]
The Devonian System of North and South Devonshire [and Comparison With the Devonian of the Appalachian Basin]
Henry Shaler Williams,
Williams, H. S. (1890). The Devonian system of North and South Devonshire [and comparison with the Devonian of the Appalachian basin]. American Journal of Science, s3-39(229), 31–38. https://doi.org/10.2475/ajs.s3-39.229.31