| North Dakota Note 1 | No Ordinary Plain: North Dakota's Physiography and Landforms |
| North Dakota Note 2 | Bison Trails |
| North Dakota Note 3 | North Dakota's Petrified Wood |
| North Dakota Note 4 | Earthquakes in North Dakota? |
| North Dakota Note 5 | Glacial Lake Agassiz |
| North Dakota Note 6 | Gold in North Dakota |
| North Dakota Note 7 | The Missouri River |
| North Dakota Note 8 | Eskers in North Dakota |
| North Dakota Note 9 | Paleontology of Theodore Roosevelt National Park |
| North Dakota Note 10 | Drumlins in North Dakota |
| North Dakota Note 11 | Ice-Thrusting in North Dakota Pop-Up Hills: North Dakota's Champagne Geology |
| North Dakota Note 12 | North Dakota's Badlands |
| North Dakota Note 13 | North Dakota Clinker |
| North Dakota Note 14 | Buried Glaciers and Dead-Ice Moraine |
| North Dakota Note 15 | North Dakota's Mountainous Areas: Killdeer Mountains & Turtle Mountains |
| North Dakota Note 16 | Dunes |
| North Dakota Note 17 | "Geologic" Curiosities in North Dakota |
| North Dakota Note 18 | Caves In North Dakota |
| North Dakota Note 19 | Concretions |
| North Dakota Note 20 | Beaded Shelterbelts |
| North Dakota Note 21 | North Dakota's Boundaries |
| North Dakota Note 22 | Glacial Erratics |
| North Dakota Note 23 | Glacial Rebound |
| North Dakota Note 24 | The Pembina Escarpment |
| North Dakota Note 25 | Veblens |