1. Ibex Peak quadrangle, Idaho : 7.5-minute series Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2011- Format: Map Access & Availability: Loading
6. 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
7. Identification of oil shale and trona beds and their geophysical-log responses in the Energy Research and Development Administration Blacks Fork no. 1 corehole, Eocene Green River Formation, southwest Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Format: Map Access & Availability: Loading
8. Idlewild quadrangle, Wisconsin : 7.5-minute series Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2010- Format: Map Access & Availability: Loading
9. IDWO 1166 : map of part of Matabililand, published on behalf of the War Office by E. Stanford Publication/Creation: London : Edward Stanford, on behalf of the War Office, 1896 Format: Map Access & Availability: Loading
10. IDWO 1189 : map showing the boundary award between Bathoen and Ikaning, and Bathoen and Railway : from a map furnished by Maj H. Goold Adams, Boundary Commissioner, dated Mafeking, Jan 17, 1896 Publication/Creation: London : War Office, 1896 Format: Map Access & Availability: Loading