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C-1981-0 g <br /> Class: Inspection <br /> MI1 <br /> y <br /> T ,tr <br /> Overburden on the upper seams of coal is removed utilizing a truck/shovel oper- <br /> ation. This photo shows one of the two electric shovels at Colowyo loading spoil <br /> into a 170-ton truck. <br /> A truck/shovel operation (background) removes overburden material while a truck/ <br /> loader operation (foreground) removes one of the seams of coal at the Colowyo min <br /> Figure 4 <br />