Technical paper issued by the Bureau of Mines over change and wash houses in the Lake Superior area. As stated in the introduction, "this paper, with a few exceptions, presents data acquired in a survey, made by the author, of change houses in the Lake Superior region. All buildings, equipment, and practices were studied with regard for the health and welfare of the miner" (p. 1). This paper includes tables, photographs, and illustrations.

Report from J. W. Behnken to the Reverend R. Osthoff, showing received answers to a questionnaire, including dollar amounts and a number of students in Lutheran institutions.

Map shows major railroad lines across the midwestern and northeastern states; state boundaries, cities and towns along railroad routes. Includes text notes in panels above and below map. Relief shown by hachures. Scale not given.