Poor Farm – Main Building A close-up of the main building, now in ruins. Source: Michigan Tech Archives (MS058-102-08-001) Similar Images ...based on the tags: historical-image... My own color treatment of one of the historical photos of Pools 4A (left) and 4B (right). Taken before the construction of Pool 5, which would have been right behind this boat’s smokestack. Lake Superior I, September 1998 (LaFontaine Collection) Saskatchewan Wheat Pool #4-A loading a vessel. Image credit: Thunder Bay Archives. The aftermath of the the explosion of the Saskatchewan Wheat Pool #4A headhouse. The car elevator in 1938. Courtesy MNHS.org Peavey, August 6th, 1990 (LaFontaine Collection) The first school at Birtle with teepees, as photographed in 1908. From Rob McInnes, Manitoba Historical Society.