Johnson, J. Harlan (Jesse Harlan), 1892-19742023-02-162023-02-161922http://hdl.handle.net/11124/16419Includes bibliographical references.masters thesesengCopyright of the original work is retained by the author.Maps -- Study and teachingGeological mappingGeology -- Study and teachingCartography -- Study and teachingUtilization of maps as an aid in the teaching of geological subjects, TheText