Lava Beds Caves [first edition]

Lava beds and caves, ice caves, blue Grotto cave, Crystal Cave, Fern Cave Fleener, Chimneys, Garden Bridges Caves, Golden Dome Cave, Hercules Leg-Juniper Cave, History and exploration, Hopkins Chocolate Cave, Indian Well Cave Lava tube systems, laws regarding caves, map symbols, master tubes, Merrill cave, Mitertite Hall Cave, Sentinel Bridge, Sunshine Cave, Surface Tubes, Tube-in-Tube Cave, Valentine Cave, South Labyrinth Cave, Heppe Caves, Ovis Bridge.