Possible Clues:

• Old actors embracing enclosure like mine that lacks depth
• Sort of pit to supply capstone material
• Free throw, mine
• Clear, the actors are, from the pit
• Sort of excavation finding ring with Roman figure in Kent landmark?
• Start theatrical run with actors describing various digs?
• Old enclosure and shed found in excavation
• Mine might be unlocked by Shed
• Dig pecans to nuts
• Surface type of mining