Teams of four horses (left), two horses (center) and two mules (right) begin to dig the lower reservoir, pulling the bucket scrapers known as "Fresnos". A very fine pair of mules on the right.
This book was published by Telluride Association shortly after LL Nunn's death in 1925, in an attempt to summarize the philosophies of the institutions. It went through several editions. A number of interesting early photos of Deep Springs.