Washboard moraine looking east along east boundary of Sec. 29, T. 13, R. 2, W. 3.

Wandering the north magnetic pole through geologic time. although students of ancient rock magnetism regard this path as fairly well established, there is no conclusive proof that the geographic pole followed the same path or that the continents maintained their same positions during this lengthy period. Notice also that there are no signs of frigid conditions or glacial action in northeastern Asia during the periods when the pole was supposed to be in that vicinity. Stokes, 1960, p. 168.

Wandering dune landscape. 1. Moraine landscape. 2. Former coastal cliffs. 3. Uplifted stone-age sea floor. 4. Dunes of moraine. 5. Parabola dune. a. Wandering frontal part. b. Ridges. 6. Coastal dunes. 7. Bog. A. Chalk (Senonian). B. Younger chalk (Danian). C. Glacial deposits. D. Sea-floor sediments. E. Blown sand. Source: Atlas of Denmark.

Wandering dune landscape. 1. Moraine landscape. 2. Former coastal cliffs. 3. Uplifted stone-age sea floor. 4. Dunes of moraine. 5. Parabola dune. a. Wandering frontal part. b. Ridges. 6. Coastal dunes. 7. Bog. A. Chalk (Senonian). B. Younger chalk (Danian). C. Glacial deposits. D. Sea-floor sediments. E. Blown sand. Source: Atlas of Denmark.

Wandering dune landscape. 1. Moraine landscape. 2. Former lake bottom. 3. Dune landscape. a. Erosion slope. b. ditto. c. Dune hill. d. Parabola-dune. e. Filso. 4. Deflation-plain. 5. Littoral dunes. 6. Beach. A. Moraine. B. Marine deposits. C. Lake deposits. D. Blown sand. Source: Atlas of Denmark.

Walking Chama Indian girls near Hotel Mercedes, Pucallpa.

Bernhard Felber and Jorge Portugal wading through rapids, Sungaruyacu River.

Volcanic tuff used as building stone. Hotel Turista, Arequipa.

Volcanic tuff (rhyolite) with lapilli and larger fragments, crudely sorted. ALoing road northeast of Arequipa.

Three separtate volcanic plugs with explosion breccia. Mount Lassan National Park California.

Volcanic ash, Pleistocene. Northwest bluff of Waskana Creek, 1/4 mile S of NW corner Sec. 28, T, 18, R. 21, W. 2. Friday, November 4, 1960.

Village of Pusi, Lake Titicaca in distance.

A, tooth of a mastodon. B, grinding surface and C, side view of an elephant (mammoth) tooth.

View up Jura Creek near Exshaw, Alberta to show along skyline from left to right Rundle (grey), Banff (brownish grey, also on left side of of creek in middle foreground), Exshaw (along which the creek has eroded the subsequent valley shown in the picture), Palliser (grey, on right hand side of the creek). May, 1961.

View south from station 62-K-77 to show outcrops of white sandstone, some carbonaceous shale in left foreground and some brown ironstone concretionary layer in immediate foreground, all belonging to the Heiberg formation. August 2, 1962.