Vol. s4-18, Issue 107, 1904November 01, 1904 EDT
The Ordovician-Silurian Contact in the Ripley Island Area of Southern, Indiana, With Notes on the Age of the Cincinnati Geanticline
The Ordovician-Silurian Contact in the Ripley Island Area of Southern, Indiana, With Notes on the Age of the Cincinnati Geanticline
August Frederick Foerste,
Foerste, A. F. (1904). The Ordovician-Silurian Contact in the Ripley Island Area of Southern, Indiana, With Notes on the Age of the Cincinnati Geanticline. American Journal of Science, s4-18(107), 321–342. https://doi.org/10.2475/ajs.s4-18.107.321