1. Under trees and water at Crater Lake National Park, Oregon Author/Creator: Robinson, Joel E., cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2012 Resource Type: Map Access & Availability: Loading
2. Geologic map of the Bailey 30ʹ by 60ʹ quadrangle, north-central Colorado Author/Creator: Ruleman, C. A. (Chester Allan), cartographer, writer of added text Publication/Creation: Denver, Colo. : For sale by U.S. Geological Survey, Information Services Resource Type: Map Access & Availability: Loading
3. Digital geologic map and Landsat image map of parts of Loralai, Sibi, Quetta, and Khuzar divisions, Balochistan Province, west-central Pakistan Author/Creator: Maldonado, Florian Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2011 Resource Type: Map Access & Availability: Loading
4. Geology and resource assessment of the Venezuelan Guayana Shield at 1:500,000 scale : a digital representation of maps published by the U.S. Geological Survey Publication/Creation: Reston, VA. : U.S. Geological Survey, 1999 Resource Type: Map Access & Availability: Loading