The Quarry is an industrial work environment. It's stocked with machinery for processing semi-precious rock. Access is limited to MGMC club members who are trained on the use and cleaning of the equipment, sign in, and pay the $5 fee for each visit. The key for access is kept at The Mariposa Inn. Use this link to obtain a membership application.
Most of the classes conducted by Club members are also held in the Quarry.
The Quarry is located in the basement of The Mariposa Inn.