Erceg, JoeShull, Jim2022-07-162022-07-1619781978https://doi.org/10.31096/PNAA-JS-001https://hdl.handle.net/10177/19215A supergraphic of a butterfly on a downtown Portland building; Work created c. 1975Paint that can survive on concrete.Educational 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/Image