Third glacial period (Wurm). Old moraine landscapes (1) and outwash plains (3), in front of glacier (2). A. Old moraine deposits and preglacial deposits. B. Meltwater deposits. C. Moraine from the third glacial period. Source: Atlas of Denmark.

Late glacial oeriod. Old moraine landscape (1) and outwash plains (3) in front of glacier (2). Marginal moraine landscape (4), dead ice (5), terrace ice-lake (6), meltwater in outwash plain (7) and in the moraine landscape. Source: Atlas of Denmark.

Plateau hill landscape. A-C, see slide 42.B'. Dead-ice moraine. 4. Plateau hill. 5. Hummocky moraine landscape with lakes and bog holes. Source: Atlas of Denmark.

Ice-lake stage flat hills. 1. Moraine landscape. 2. Ice surface. 3. Ice-lake with icebergs. A. Moraine B. Ice. C. Ice-lake clay. Source: Atlas of Denmark.

Present stage of flat hills. High-level moraine plateau. 4. Flat hill. Ice-lake bottom. 5. Tapping gully. 6. Hummocky moraine landscape with lake holes, bogs and valleys. 7. Lake-basin area. A-C, see slide 44. B'. Moraine from dead-ice. Source: Atlas of Denmark.

Developmental stage of outwash plains of last ice-age. 1. Glacier. 2. Outwash plain with meltwater rivers. a. Apex of outwash plain. A. Moraine. B. Ice. C. Meltwater deposits. Source: Atlas of Denmark.

Glacier surface with crevasses. 2. Meltwater tunel under ice. A. Ground moraine. B. Ice. Source: Atlas of Denmark.

Cliff in dislocated glacial deposits. Genetic stage of substratum in last glacial period. Fluvial plain in front of advancing glacier. A. Old Yoldia clay. The stratum is not included in the following figures. B. Stratified glacial period clay. C. Meltwater sand, fluvial deposits with discordant parallel-structure. Source: Atlas of Denmark.

Closer view of contorted Belly River beds, due to ice shove. Mud Hills, AB. See Slater, 1927.

Nose Hills part of Neutral Hills; bedrock high, distorted into ridges by ice shove. East of Coronation, Alberta.

Large erratic of Ordovician Red River dolomite north of South Saskatchewan River at Saskatoon Landing. Dimensions 7 x 7 x 15 feet, weighing 100 tons. Earl Christiansen.

Rotational slump ridges along Swift Current Creek east of Stewart Valley, Saskatchewan.

Gap in linear till ridge cut by gully, Wymark plateau.

Striated dolomite boulder in place in till at top, where overlain by younger till. Swift Current Creek, near Powerhouse, Swift Current.

A closer view of the topography of preglacial highland of Cypress Hills conglomerate covered by thin drift. South of Herbert, Sask.