Bally, A. W., and A. R. Palmer (eds.), 1989, The Geology of North America: An Overview, Vol. A of The Geology of North America, Geological Society of America, Boulder, CO, 619 pp.
Vigil, J. F., R. J. Pike, and D. G. Howell, 2000, A tapestry of time and terrain, US Geological Survey Geologic Investigations Series 2720, 1 plate scale 1:2,500,000, 1 pamphlet.
Maps (online)
American Geological Institute, Earth Comm 2nd edition, Map Resources. (A compilation of online map resources.)
Walker, J. D., J. W. Geissman, S. A. Bowring, and L. E. Babcock (compilers), 2012, Geologic Time Scale Poster, Geological Society of America, Boulder, CO.
Dictionaries
Allaby, M., 2013, A Dictionary of Geology and Earth Sciences, Oxford University Press, New York, 672 pp.
Bates, R. Latimer, and J. A. Jackson, 1984, Dictionary of Geological Terms, 3rd edition, Anchor Press, Garden City, NY, 576 pp.
McGraw-Hill Education, 2003, McGraw-Hill Dictionary of Geology and Mineralogy, McGraw-Hill, New York, 420 pp.
Neuendorf, K. K. E., J. P. Mehl Jr., and J. A. Jackson, 2011, Glossary of Geology, 5th edition, revised, American Geological Institute, Alexandria, VA, 800 pp.