xiv MAPS AND ILLUSTRATIONS 



PAGE 



Stratified Rock 256 



Inland Sea Cave and Beach ; . . 258 



Coast near Atlantic City 259 



A Norway Fiord 261 



A Submerged Coastal Plain . 262 



A Norway Fiord ' \ 263 



A Norway Village at the Head of a Fiord 264 



Lofty Mountains . . . 265 



The Matterhorn . 266 



The Teton Range, Idaho, U. S. A 267 



Colorado Plateau 269 



The Enchanted Mesa, New Mexico ....... 270 



A Butte ... 271 



An Indian Hogan . . 272 



Cliff Dwellings, Arizona 273 



Indian Hieroglyphics Cut on the Steep Wall of a Mesa . . . 274 



A High, Dry Plain in Central Nevada 274 



A Recently Cooled Lava Surface 277 



Rock Split by Roots of Tree 278 



Rocks Weathering and Forming Steep Slopes ..... 280 



Cleopatra's Needle, Central Park, New York 281 



Wind-Cut Rocks, Garden of the Gods, Colorado .... 282 



A Tree Being Dug up by the W T ind 282 



A Forest on Cape Cod, Massachusetts, Being Buried in Wind-blown 



Sand 283 



Mount Hood, Cascade Range, Oregon ...... 286 



Snow Fields at the Head of a Glacier 287 



Corner Glacier 288 



Crevasses in a Glacier .289 



The Fiesch Glacier . . . . 290 



A Stone Scratched by a Glacier .291 



The Dana Glacier in the High Sierras 292 



A View of the Jungfrau, Swiss Alps 293 



An Iceberg 294 



A Bowlder Borne along on Top of a Glacier 295 



Area in North America Covered by the Ice of the Glacial Period . 296 



Bowlders and Sand Left. by a Retreating Glacier .... 298 



A Valley in Norway Rounded out by Glaciers . . . . . 299 



Marjelen Lake 300 



Alfalfa Cutting on the Fertile Prairies .... . 302 



Local Soil 308 



Relative Sizes of Soil Particles 310 



Soil in Good Tilth , 314 



