Malkiewicz, “Hope for the Unexpected,” p. Rainey, “The Mount Union Ashpit,” p, drawing (Mount Union Ashpit, scale: 1/4 inch=1 foot). Adams, “Jordan Summit Bridge,” p, drawing (Jordan Summit Bridge, scale: HO (1:87)). Diehl, “Ring of Fire,” p. Pearson, “Smokeless! Coal Cleaning Along the East Broad Top Part VII: Brick Office and Shop Annex, Corrugated Iron Warehouse, and Tool Sheds,” p, drawings (Mt. Union Chance Coal Cleaning Plant Garage, scale: 1/4 inch=4 feet; Mt Union Coal Cleaning Plant Shelter, scale: 1/4 inch=2 feet; Mt. Union Chance Coal Cleaning Plant Wood Scale House, scale: 1/4 inch=2 feet; Mt. Union Chance Coal Cleaning Plant Shop Annex and Office, scale: 1/4 inch=2 feet; Mt. Union Chance Coal Cleaning Plant Warehouse, scale: 1/4 inch=2 feet; Mt. Union Chance Coal Cleaning Plant Tool Sheds, scale: 1/4 inch=2 feet).
Abbreviations denote the following features: g (graph), m (map), p (photograph}, and s (sketch or non-photographic illustration).
