Vol. s2-33, Issue 99, 1862May 01, 1862 EDT
… Age of the Red Sandrock Series of Vermont
… Age of the Red Sandrock Series of Vermont
Elkanah Billings,
Billings, E. (1862). … age of the red sandrock series of Vermont. American Journal of Science, s2-33(99), 370–376. https://doi.org/10.2475/ajs.s2-33.99.370