• 6 Wisconsin Historical Society Library

• 6 Maps, Atlases

• 1 E635
• 1 Maps

• 6 United States. National Park Service
• 1 Parks and History Association

• 6 English
• 2 Spanish
• 1 French
• 1 German
• 1 Italian

• 6 Washington (D.C.)
• 5 Washington (D.C.) Region
• 5 Washington Region

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