2022-07-252022-07-251996-021996https://doi.org/10.31096/WUA9999-WP_1228_Box_11https://hdl.handle.net/10177/254559 photosBlack and WhiteEducational 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/F.W. Olin Science CenterImage