1. Black-and-white negative Bookmark Black-and-white negative, museum number 15-4195. Search result 1 Museum number: 15-4195 Culture or time period: Cahuilla Object class: Black-and-white negatives Maker or artist: Alfred A. Blaker Dimensions: width 5 inches and height 4 inches Collector: Alfred L. Kroeber Collection place: Indio area, Coachella Valley, Riverside County