Towers around pit margin are relicts of an obsolete derrick system for transporting workers and marble blocks.
Steps representing stages of block extraction are about six feet high.
| . | Inactive quarry pit Towers around pit margin are relicts of an obsolete derrick system for transporting workers and marble blocks. Steps representing stages of block extraction are about six feet high. |
| Active pit Wire saws have replaced drills and wedges. | . |  |
 | . | Pit wall Biotite streaks -- dipping south in this photo -- can reduce marble's strength and commercial value. |
| Old workings Solution cavity follows a joint or fault. | . |  |