Oklahoma geology :
activity sheets for earth-science teachers and students /
by James R. Chaplin.
APA Citation
Chaplin, J. R. (2003). Oklahoma geology: activity sheets for earth-science teachers and students. Norman, OK: University of Oklahoma.
MLA Citation
Chaplin, James R. Oklahoma Geology: Activity Sheets for Earth-science Teachers And Students. Norman, OK: University of Oklahoma, 2003.
Warning: These citations may not always be complete (especially for serials).