Vol. s3-31, Issue 182, 1886February 01, 1886 EDT
The Westward Extension of Rocks of Lower Helderberg Age in New York
The Westward Extension of Rocks of Lower Helderberg Age in New York
Samuel Gardner Williams,
Williams, S. G. (1886). The westward extension of rocks of Lower Helderberg age in New York. American Journal of Science, s3-31(182), 139–145. https://doi.org/10.2475/ajs.s3-31.182.139