Minnesota black
Revision as of 06:09, 24 July 2013 by (username removed)
Description
A medium-grain, black gabbro quarried near Ely in St. Louis County, Minnesota (Bucher 1996).
Additional Information
W. Bucher, Dictionary of Building Preservation, John Wiley & Sons, New York, 1996.
Authority
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996