Stratigraphy of the crystalline schists of Pennsylvania and Maryland

Eleanora Bliss Knopf; Anna I. Jonas

doi:10.2475/ajs.s5-5.25.40

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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

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Stratigraphy of the Crystalline Schists of Pennsylvania and Maryland