We discuss the history of the man-made caves beneath the Minneapolis/St. Paul area with Dr. Greg Brick. Retired as a Hydrologist with the Minnesota Department of Natural Resources, Dr. Brick is the preeminent authority on the history of the caves, which were built specifically for breweries and cheese factories in the pre-refrigeration 18th century. Dr. Brick is the author of "SUBTERRANEAN TWIN CITIES" , "MINNESOTA CAVES: HISTORY AND LORE ",
"MINNESOTA UNDERGROUND", in addition to other books on the subject. To learn more about these caves, and the work of Dr. Brick, visit www.drgregbrick.com