Grading the Union Pacific at Weber Canyon
circa 1860 – 1880
Caption related to photograph: "How grading was accomplished on the U.P. road by Mormon laborers, at the mouth of the Weber Canyon.
Men are standing on a steep incline, using tools to measure or decide something related to the grading. Negative was owned by the Thiokol chemical corporation, Wasatch division. Neg no: 43914-3