Works of "Research Collection"
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)
Place Collected: Laytonville Quarry (Longvale Quarry)