Iceberg Lake of Grinnell Glacier, Glacier National Park, MT
Iceberg Lake of Grinnell Glacier, Glacier National Park, MT
Grand Tetons, Wyoming showing cirque, glaciated valley
Grand Tetons, Wyoming showing cirque, glaciated valley
Map of Great Lakes region - distribution of end moraines after Wisconsin stage of Pleistocene
Map of Great Lakes region - distribution of end moraines after Wisconsin stage of Pleistocene
Forms of diatoms
Forms of diatoms
The evolution of elephants showing the Mastodon and Mammoth
The evolution of elephants showing the Mastodon and Mammoth
Restoration of Pleistocene Wooly Mammoth and Mastodon
Restoration of Pleistocene Wooly Mammoth and Mastodon
Some stages in rhinocerous evolution showing woolly rhinocerous
Some stages in rhinocerous evolution showing woolly rhinocerous
Relief diagram and map of small fold - Jackfork formation near Amity, Arkansas
Relief diagram and map of small fold - Jackfork formation near Amity, Arkansas
Diagram of a fault cutting horizontal strata
Diagram of a fault cutting horizontal strata
Effects of transverse normal faults upon anticlines and synclines
Effects of transverse normal faults upon anticlines and synclines
Wind erosion affecting Frenchman sandstone
Wind erosion affecting Frenchman sandstone
Close up of Red-River type Ordovician and Tyndall dolomite
Close up of Red-River type Ordovician and Tyndall dolomite
Breached anticline of oil producing structure - Turner Valley, AB
Breached anticline of oil producing structure - Turner Valley, AB
Drilling rig near Weyburn SK
Drilling rig near Weyburn SK
Territory between Chesterfield Inlet and Wagner Bay
Territory between Chesterfield Inlet and Wagner Bay
