1. Idaho Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: Washington, D.C. : U.S. Dept. of Commerce, Bureau of the Census, [1983] Format: Map Access & Availability: Loading
2. Identification and classification of perennial streams of Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
3. Indiana Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: Washington, D.C. : U.S. Dept. of Commerce, Bureau of the Census, [1983] Format: Map Access & Availability: Loading
4. Iowa Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: Washington, D.C. : U.S. Dept. of Commerce, Bureau of the Census, [1983] Format: Map Access & Availability: Loading