Vol. s3-15, Issue 90, 1878June 01, 1878 EDT
On Some Dark Shale Recently Discovered Below the Devonian Limestones at Independence, Iowa; With Notice of the Fossils at Present Known to Be in It
On Some Dark Shale Recently Discovered Below the Devonian Limestones at Independence, Iowa; With Notice of the Fossils at Present Known to Be in It
S. Calvin,
Calvin, S. (1878). On some dark shale recently discovered below the Devonian limestones at Independence, Iowa; with notice of the fossils at present known to be in it. American Journal of Science, s3-15(90), 460–462. https://doi.org/10.2475/ajs.s3-15.90.460