Get to know Dr. Greg Brick
The Writer, Speaker
& Cave Exploring Expert!
Dr. Brick's Best Sellers!
Subterranean Twin Cities
Subterranean Twin Cities is the very first comprehensive published account of the wide variety of subterranean spaces, such as caves and tunnels, under the Twin Cities of Minneapolis and St. Paul, Minnesota, set in a geological and historical context, based on more than two decades of research by Dr. Greg Brick. Illustrated, 226 pages.
Wakan Tipi Cave
Wakan-Tipi (aka Carver’s Cave) was sacred to Native Americans and a landmark on the Mississippi River that is now celebrating its quarter millennium anniversary since the visit of Jonathan Carver in 1766. This 24-page color illustrated booklet brings together the definitive research on this famous cave.
The State of Iowa has an unsuspected trove of caves, mines, and tunnels that are open to the public. In 58 entries (220 pages), this is your best single guidebook to family adventure!
Fountain Cave was the reputed birthplace of the capitol of Minnesota. First described in 1817, it is the longest natural sandstone cave in the St Peter Sandstone, containing many curiosities such as waterfalls, and unexpected ones, such as spectres, all described in this 24-page color booklet.
Discover an exciting new world
with St. Paul's finest Geologist -
Dr. Greg Brick!
Dr. Brick believes that Geology
is for everyone to learn,
love & enjoy!