Building stones of the National MallDOI: info:10.1130/2015.0040(15)Geological Society of America543–571
Livingston, Richard A., Grissom, Carol A., and Aloiz, Emily M. 2015. "Building stones of the National Mall." In Tripping from the Fall Line: Field Excursions for the GSA Annual Meeting, Baltimore, 2015: Geological Society of America Field Guide 40. Brezinski, D. K., Halka, J. P., and Ortt, R. A.,Jr., editors. 543–571. Geological Society of America. https://doi.org/10.1130/2015.0040(15).