Vol. s4-18, Issue 106, 1904October 01, 1904 EDT
A New Devonian Formation in Colorado
A New Devonian Formation in Colorado
Charles Whitman Cross,
Cross, C. W. (1904). A New Devonian Formation in Colorado. American Journal of Science, s4-18(106), 245–252. https://doi.org/10.2475/ajs.s4-18.106.245