Oral history interview with Celia Rivero Grenfell conducted by Patricia Holland on March 31, 1977 for the Ralph Roske Oral History Project on Early Las Vegas. Grenfell first talks about her family background in Mexico and later describes her family’s restaurant business. She also describes her education, recreational activities, Downtown Las Vegas, Nevada; and Helldorado. Grenfell discusses racial segregation and prejudice, El Rancho Vegas, Lorenzi Park, early churches, environmental changes, early air conditioning, and Grenfell’s early work in a laundry business.

The Joseph C. Ives Personal Correspondence consists of seventeen photocopied letters between United States Army Corps of Topographic Engineers Lt. Joseph C. Ives and his wife, Cora Semmes Ives, between September 1857 and June 1858. Ives was in command of a U.S. Army expedition whose mission was to explore the region of the Colorado River and the Grand Canyon, and to establish the limit of navigation of the Colorado River. The correspondence is largely personal in nature, however, it is a useful supplement to the official report documenting the voyage, "Report upon the Colorado River of the West; Explored in 1857-1858."