Frontenac Mine Map, 1912. From company records posted on gilpintram.com. The Frontenac workings, as mapped in 1912 for a company report, sent to London. Special thanks to Mark Baldwin, who posted these on his website. Related Similar Images ...based on the tags: historical-image... A map of the mines overlaid with the plant (now demolished). Two miners use hydraulic hammers to fill a waiting cart. Starch Works (far center) & International Truck (left), 1910s? Erskine, A.R. (1924). History of the studebaker corporation . South Bend, IN: Studebaker Corp. An excellent view into one of the many sewing rooms, circa 1920s. Note forms for dresses around the room and oil lamps. Peavey Demolition, March 8th, 1998 (LaFontaine Collection) A view of the ground-level damage in the aftermath of Pool 5’s explosion. The ruined workhouse of Pool 5, after the 1945 explosion.