Vol. s3-6, Issue 35, 1873November 01, 1873 EDT
On Rocks of the Helderberg Era in the Valley of the Connecticut. .
On Rocks of the Helderberg Era in the Valley of the Connecticut. .
James Dwight Dana,
Dana, J. D. (1873). On rocks of the Helderberg era in the valley of the Connecticut. . American Journal of Science, s3-6(35), 339–352. https://doi.org/10.2475/ajs.s3-6.35.339