Dwarves' Earth Treasures by Jeffrey Anderson


.	Dwarves' Earth Treasures Online Museum: Datolites of Ontangon Co. Mass, Superior, Bumblebee, Lake & Lake Mines of Ontangon Co.	.

. There are several mines around Rockland and Mass City that did not produce much copper but had produced a good amount of datolites.

EverGreen Mine


Mult-chambered	with copper inclusions, EverGreen Mine

BumbleBee Mine

Victoria Mine


Michigan E Shaft, Mass Mine,	Victorian Mine

Michigan Mine & Kowathan Mine


Michigan E Shaft, Mass Mine,	Kowthan Mine (near Caledonia Mine)

Aztec Mine

Aztec Mine

Superior Mine