|Description:||This historic diagram, which had been digitally enhanced and colorized, depicted the floor plan of a section of a typical Minnesota school building. Its purpose was to indicate the proper location of a well, which was to serve the potable water needs of its occupants.|
Published in 1917, this was one of a series of instructional drawings used by the Minnesota Board of Health to train the state's public health workers. The purpose of this and other like images, and the training was focused on protecting potable water supplies from bacterial contamination. The descriptive information accompanying this drawing referred to a governmental publication with instructions describing the correct placement and build-out of such a system. The specific citation was, “Minnesota State Board of Health, Water and Sewerage Systems for a Public School Building, January, 1917, p. 4”.