Figure Page 



49. Close-up of a pressure nuge on the ice pack 55 



50. Surface view of the ice pack showing pressure ice 55 



51. Ropak 56 



52. Floeberg 56 



53. Ice foot with growth chiefly at the top 57 



54. Storm ice foot 57 



55. Shore ice 58 



56. Ice boulders 58 



57. Aerial view of a stamukha with a ram projecting under water 59 



58. Stamukha 59 



59. Stamukha 60 



60. Stamukhi that have been eroded at the water line by the tide into 



a mushroom form 60 



61. Flaw between fast ice on the left and the ice pack on the right 61 



62. Crack in flat ice with frozen puddles 61 



63. Close-up view of a crack 62 



64. Blind lead 62 



65. Lead in a puddled ice field 63 



66. Polynya 63 



67. A mountain range almost submerged by antarctic continental ice 64 



68. Highland ice in the background. Small floes and brash in the foreground. .. 64 



69. Terminal lobe of a wall-sided glacier 65 



70. Glacier with ice apron 65 



71. Two valley glaciers with lateral moraines 66 



72. Valley glacier with a series of crevasses near the terminus of the glacier. ... 66 



73. The seaward edge of an outlet glacier 67 



74. Barnard Glacier, Alaska, showing relation of lateral and medial 



moraines to tributary glaciers 67 



75. Expanded foot ice 68 



76. Ice tongue afloat 68 



77. Columbia Glacier, a piedmont glacier, Prince William Sound, Alaska 69 



78. Ice cliff formed from shelf ice on the right meeting the sea 69 



79. Shelf ice 70 



80. Cliff of shelf ice 70 



81. Ice cliffs 71 



82. Cornice along an ice cliff 71 



83. Ramp connecting shelf ice with sea ice to the left 72 



84. At the foot of a ramp beneath ice cliffs 72 



85. Ramp between sea ice and land ice 73 



86. Calving of a fragment of a glacier to form an iceberg 73 



87. Pinnacled iceberg 74 



88. Pinnacled iceberg surrounded by small floes, blocks, and brash 74 



89. Arched iceberg on the left, valley iceberg in center 75 



90. Valley iceberg 75 



91. Blocky iceberg to the left and tilted iceberg to right 76 



92. Pinnacled iceberg whose rounded contours indicate weathering 76 



93. Weathered iceberg 77 



94. Small tabular iceberg with an arch 77 



95. Tabular iceberg 78 



96. Tabular iceberg with a medium floe in the foreground. A ram 



X 



