The Iowa Stone Industry, 1908
Excerpts from Mineral Resources of the United States
Calendar Year 1908, Part II - Nonmetallic
Department of the Interior, United States Geological Survey
Government Printing Office, Washington, D. C., 1909.
Excerpts from the book are from the chapter on "Stone," by A. T. Coons.
Building Stone Distribution: Distribution of the various kinds of building stone and the localities where the different varieties of stone are now being quarried or may be quarried in the future for Iowa are: Gypsum, limestone, dolomite, sandstone.
Limestone: The chief States producing limestone in 1908 were, in order of rank of value, Pennsylvania, Indiana, Ohio, Illinois, New York, and Missouri, each reporting over $2,000,000.States reporting a value of over $500,000 in 1908 were Wisconsin, Kentucky, Michigan, Minnesota, West Virginia, Tennessee, and Iowa; in 1907 these States ranked as follows: Wisconsin, Kentucky, West Virginia, Kansas, Michigan, Minnesota, Alabama, Iowa, and Colorado.
Survey Publications on Building Stone in Iowa:
Bain, H. F. Notes on Iowa building stones. In Sixteenth Ann. Rept., pt. 4, pp. 500-503. 1895.