Vol. 256, Issue 2, 1958February 01, 1958 EDT
Ordovician Highgate Springs Sequence of Vermont and Quebec and Ordovician Classification
Ordovician Highgate Springs Sequence of Vermont and Quebec and Ordovician Classification
George Marshall Kay,
Kay, G. M. (1958). Ordovician Highgate Springs sequence of Vermont and Quebec and Ordovician classification. American Journal of Science, 256(2), 65–96. https://doi.org/10.2475/ajs.256.2.65