Unified Interior Regions

Clinker is formed whn rock units that overlie exposed burning coal seams are baked and fused. The red clinker is more resistant to erosion than non-baked adjacent Fort Union Formation sandstone and forms the caps of many plateaus and buttes.

Watford water depot. Water depots supply water for hydraulically-fractured oil and gas wells. The Watford City water depot is located near the center of the Williston structural basin

Landscape near the northern Theodore Roosevelt National Park is characterized by the eroded Fort Union Formation.Photo is taken along Highway 85.

Wetland water depot. Some North Dakota ranchers have converted their wetland water rights for industrial use as water depots. Photo taken south of Watford City, North Dakota

Collecting DC resistivity data to define subsurface gravel channels. Bakken Formation of North Dakota.

Downtown Grand Forks, North Dakota flooded by the Red River of the North in 1997.

The flag of the United States of American flies over flood water in Grand Forks, North Dakota.

Flood waters inundated Grand Forks, North Dakota and East Grand Forks, Minnesota.The picture is looking west to Grand Forks, North Dakota and the  USGS gage house is the small white square in the center of the picture.

Yellowstone River near Cartwright, North Dakota. Looking from the left bank toward main pier nearest the left bank.

The Missouri River at Bismarck, North Dakota. View from Memorial Highway Bridge looking upstream, showing channel under partial ice cover.

The 2011 Floods in North Dakota: The Response Efforts of the USGS North Dakota Water Science Center