Photo Description
Mammoth Hill and surrounding mountains. Shows, Opex property, Emerald property, Grand Central mine and Mammoth mine from extreme left to right. Loughlin 23 shows Godiva Mountain left center, Lower Mammoth mine, Gold Chain mine near center. Photo 24 shows Black Jack mine, and Black Jack open cut mine left and extreme left. Tintic District, Juab County, Utah. 1911. Plate 7-A in U.S. Geological Survey. Professional paper 107. 1919.
