Vol. s5-5, Issue 25, 1923January 01, 1923 EDT
Stratigraphy of the Crystalline Schists of Pennsylvania and Maryland
Stratigraphy of the Crystalline Schists of Pennsylvania and Maryland
Eleanora Bliss Knopf, Anna I. Jonas,
Knopf, E. B., & Jonas, A. I. (1923). Stratigraphy of the Crystalline Schists of Pennsylvania and Maryland. American Journal of Science, s5-5(25), 40–62. https://doi.org/10.2475/ajs.s5-5.25.40