Dietler Gallery of Western Art Petrie Institute of Western American Art Petrie Institute of Western American Art Petrie Institute of Western American Art Western Art Collection exhibit Petrie Institute of Western American Art Dietler Gallery of Western Art Denver Art Museum Petrie Institute of Western American Art Petrie Institute of Western American Art Petrie Institute of Western American Art Western American Art Denver Art Museum/Petrie Institute Petrie Institute of Western American Art Symposium Petrie Institute of Western American Art Petrie Institute of Western American Art Petrie Institute of Western American Art Western American collection