An undated photograph of the coal mining operation at Bear Gap, Short Mountain, near Lykens and Wiconisco, Dauphin County, Pennsylvania. Note the coal-fired power plant in the the center and multiple railroad tracks at center-bottom of the photo.
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The big towering metal structure in the center right of the photo was the elevator shaft that raised and lowered miners and equipment. My grandfather Irvin G. Snyder operated it.