Vol. s4-29, Issue 172, 1910April 01, 1910 EDT
Stratigraphy of the Upper Carboniferous in West Texas and Southeast New Mexico
Stratigraphy of the Upper Carboniferous in West Texas and Southeast New Mexico
George Burr Richardson,
Richardson, G. B. (1910). Stratigraphy of the upper Carboniferous in west Texas and southeast New Mexico. American Journal of Science, s4-29(172), 325–337. https://doi.org/10.2475/ajs.s4-29.172.325