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by Simon, Eric J.; Dickey, Jean L.; Reece, Jane B.
by Greene, Melissa; Robison, Robin; Strong, Lisa
by Schmitt, Diane; Schmitt, Norbert
by Secunda, Paul M.; Lofaso, Anne Marie; Slater, Joseph E.; et al.
by Kirby, Lance; Krygiel, Eddy; Kim, Marcus
by Lazerow, Herbert
by Michael Kinney
by American Geological Institute, AGI; NAGT - National Association of Geoscience Teachers; Cronin, Vincent; et al.
by Sanders, Dawn
by Norton, Robert L.