Lt. Amiel Weeks Whipple was referred to as the wheel horse among the Army’s Corps of Topographical Engineers surveying Arizona during the 1850’s. The treaty makers had made a number of snafus when establishing the new 1,500-mile boundary between the United States and Mexico in 1848 and it was up to engineers like to Whipple to straighten out the mess before hostilities broke out again. Whipple wrapped


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