- Page 4 and 5: Frontispiece. Two visitors explore
- Page 6 and 7: DEPARTMENT OF THE INTERIOR MANUEL L
- Page 8 and 9: Caves easily accessible from Cave L
- Page 10 and 11: PLATES [In pocket] 1. Caves of the
- Page 12 and 13: Many of the feature names used in t
- Page 14 and 15: Tulelake LOWER KLAMATH LAKE Prisone
- Page 16 and 17: EXPLANATION ................... Lav
- Page 18 and 19: flow, then the lava may pool behind
- Page 20 and 21: "pull outs" where the dripping plas
- Page 22 and 23: Mushpot, Catacombs, Ovis, and Merri
- Page 24 and 25: Waters agreed to do the cave mappin
- Page 26 and 27: into the distributary in the genera
- Page 28 and 29: crawled 180 ft from the Mushpot tub
- Page 30 and 31: es of plaster clog its continuation
- Page 32 and 33: level of the tube. The southern ent
- Page 34 and 35: surface collapse and only one comer
- Page 36 and 37: dead-end passages on different vert
- Page 38 and 39: and a roof covered with lavacicles
- Page 40 and 41: puzzles abound in the Catacombs; do
- Page 42 and 43: Ovis Cave Apparently, E.L. Hopkins
- Page 44 and 45: thus forms a bridge over the broken
- Page 46 and 47: pit is located along the southwest
- Page 48 and 49: lava tubes, and the upper parts of
- Page 50 and 51: occupies the lava pool just upstrea
- Page 52 and 53:
underway. Collapse to the surface h
- Page 54 and 55:
one located just below ceiling heig
- Page 56 and 57:
high, but it immediately widens to
- Page 58 and 59:
low depths along fissures. Many sma
- Page 60 and 61:
collapse (map 9, pl. 3). Two others
- Page 62 and 63:
For a short distance below the coll
- Page 64 and 65:
circle the two large downstream pil
- Page 66 and 67:
where it opens into the north end o
- Page 68 and 69:
water well, the cave changes marked
- Page 70 and 71:
the older Schonchin Butte lava flow
- Page 72 and 73:
here to the entrance, the tube is f
- Page 74 and 75:
One cannot walk beneath it, as unde
- Page 76 and 77:
Room-is actually a natural bridge,
- Page 78 and 79:
pooled in the mouth ofthe tributary
- Page 80 and 81:
perfection and cleanliness of its l
- Page 82 and 83:
etween the benches. The levees are
- Page 84 and 85:
tubes created a cave floor that is
- Page 86 and 87:
cessive accretionary linings of lav
- Page 88 and 89:
two levels were joined by a breakdo
- Page 90 and 91:
ft and passes through several level
- Page 92 and 93:
stream, the ceiling heights drop, t
- Page 94 and 95:
Cave. Collapse rubble half fills Cr
- Page 96 and 97:
heights are between 12 and 20 ft in
- Page 98 and 99:
Blue Glacier Room, where continuati
- Page 100 and 101:
upstream from the one noted by the
- Page 102 and 103:
Red Ice Room (fig. 63), which lies
- Page 104 and 105:
tation that this tube system was fe
- Page 106 and 107:
sured ground now occupies nearly tw
- Page 108 and 109:
The larger and more interesting cav
- Page 110 and 111:
part talus was reversed. Moreover,
- Page 112 and 113:
long and 300ft in maximum width. Th
- Page 114:
and lunar implications: Communicati