In the interviews, Tilman discusses his birth in Gooding, Idaho in 1913, his early life, and his arrival to Las Vegas, Nevada in 1931. Tilman then talks about his experiences mining, milling, and ranching before moving to Las Vegas. While in Las Vegas, Tilman was involved with construction of Hoover Dam (Boulder Dam) and labor issues. Later, Tilman describes fishing and boating in the Colorado River, working at a duplex mine in Searchlight, Nevada, and working at the Las Vegas Ice House. Lastly, Tilman talks about influential Boulder City residents he knew, his children, and the Stratosphere Hotel and Casino.
Black and white image of the Boulder Canyon Dam "C" site. Written on the image are the dimensions of the canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
The Nellie Bunch Collection of Lake Mead Postcards (approximately 1970-1979) contains two postcards advertising Lake Mead in southern Nevada from the 1970s. Each postcard depicts several aspects of the Lake Mead National Recreation Area, including the marina, Hoover Dam, campgrounds, the Lake Mead Lodge, and Boulder Beach.