The Pueblo Grande de Nevada Photograph Collection (approximately 1920-1980) contains black-and-white photographic prints, negatives, and slides depicting archaeological sites located in Overton, Moapa, Valley of Fire, Red Rock, Pyramid Lake, Kane Springs, Virgin River, the “Lost City,” and Lake Mead, Nevada. Images display the different stages of digging during the archaeological excavation of Pueblo Grande de Nevada. Also included are images showcasing artifacts uncovered during the excavations, the Saint Thomas, Nevada and the flooding of archaeological sites after the construction of the Hoover (Boulder) Dam.