David A. Riggs:
Black Bear Plunge Entrance
David A. Riggs:
Black Bear Plunge Entrance
David A. Riggs:
Cricket Den Entrance
David A. Riggs:
Cricket Den Entrance
David A. Riggs:
71-Foot Pit
David A. Riggs:
Dead Coyote?
David A. Riggs:
Dead Coyote?
David A. Riggs:
96-Foot Pit
David A. Riggs:
96-Foot Pit
David A. Riggs:
Monk Was Here
David A. Riggs:
Top Of The 96-Footer
David A. Riggs:
Entrance Slope
David A. Riggs:
Cricket Den Entrance