2022-07-252022-07-2519861986https://doi.org/10.31096/WUA9999-WP_2337_box_15https://hdl.handle.net/10177/26019ColorEducational use is permitted without permission. Permission is required for additional uses. See http://library.willamette.edu/external/commons/conditions_of_use/ for more information.http://rightsstatements.org/vocab/InC-EDU/1.0/FacultyImage