Bally, A. W., and Palmer, A. R., eds., 1989, The geology of North America—An Overview, vol. A of The Geology of North America, Geological Society of America, Boulder, CO, 619 p.
Reed, J.C., and C. A., Bush, 2007, About the geologic map in the National Atlas of the United States of America, US Geological Survey Circular 1300, 52 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's Earth Comm 2nd edition, Map Resources. [A compilation of online map resources.]
Walker, J. D., J. W. Geissman, S. A. Bowring, & 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, Oxford, UK.
Bates, R. L., & J. A. Jackson, 1984, Dictionary of Geological Terms, 3rd edition, Anchor Press, Garden City, NY.
McGraw-Hill Education, 2003, McGraw-Hill Dictionary of Geology and Mineralogy, McGraw-Hill, New York.
Neuendorf, K. K. E., J. P. Mehl, Jr., & J. A. Jackson, 2011, Glossary of Geology, 5th edition, revised, American Geological Institute, Alexandria, VA, 800 pp.
Science in Your Backyard, US Geological Survey. [State-by-state compilation of Earth sciencerelated data, most of which will need to be adapted for education uses.]
AGU Blogosphere, American Geophysical Union. [A collection of over a dozen blogs by geoscientists on recent events and perspectives on the geosciences.]