• 2 Steenbock Library

• 1 Environmental aspects
• 1 Government relations
• 1 Indians of North America
• 1 Public lands
• 1 Reclamation of land
• 1 Strip mining

• 2 United States. Bureau of Reclamation
• 1 United States. Bureau of Indian Affairs
• 1 United States. Bureau of Mines
• 1 United States. Bureau of Outdoor Recreation
• 1 United States. Department of Agriculture
• 1 United States. Department of Housing and Urban Development
• 1 United States. Department of the Interior
• 1 United States. Department of the Interior. Office of the Secretary
• 1 United States. National Park Service
• 1 United States. Office of Coal Research
• 1 United States. Office of Saline Water

• 3 English

• 2 United States

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