Hayes, H. Guy, authorBetts, Gilbert L. (Gilbert Lee), 1893-1972, advisorAvery, George T., committee memberHodgson, James G., committee memberWilson, James H., committee memberClark, Andrew Giles, committee member2017-06-142017-06-141941http://hdl.handle.net/10217/181570To view the abstract, please see the full text of the document.masters thesesengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.United States -- History -- Study and teachingText