Borth, David J., authorBetts, Gilbert L., advisorAvery, George T., committee memberWetzel, Clarence Ludwig, committee memberDalton, C. H., committee memberNewkirk, Louis V., committee memberNewsom, Isaac Ernest, 1883-1954, committee member2017-10-102017-10-101941https://hdl.handle.net/10217/184341To 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.Educational counselingText