• 3 Maps, Atlases

• 3 Reservoirs
• 1 Irrigation

• 3 United States. Bureau of Reclamation
• 1 Grout, H. A.

• 3 English

• 2 United States
• 1 Dawes County
• 1 Dawes County (Neb.)
• 1 Kansas
• 1 Kansas River Valley
• 1 Kansas River Valley (Kan.)
• 1 Nebraska
• 1 Niobrara River Watershed
• 1 Niobrara River Watershed (Wyo. and Neb.)
• 1 North Platte River Watershed
• 1 Sheridan County
• 1 Sheridan County (Neb.)

Limit year range