Chidsey , Thomas C., David Eby, and Douglas Sprinkel. 2020. “A Tale of Two Breccia Types in the Mississippian Leadville Limestone of Lisbon and Other Fields, Paradox Basin, Southeastern Utah”. Geology of the Intermountain West 7 (August). Salt Lake City, Utah, 243-80. https://giw.utahgeology.org/giw/index.php/GIW/article/view/83.