Geological Survey (U.S.), United States. Bureau of Land Management, & Geological Survey (U.S.). National Mapping Division. Index to intermediate-scale mapping: 1:100,000-scale quadrangle mapping. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), United States. Bureau of Land Management, and Geological Survey (U.S.). National Mapping Division. Index to Intermediate-scale Mapping: 1:100,000-scale Quadrangle Mapping. Reston, Va.: The Survey.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Index to Intermediate-scale Mapping: 1:100,000-scale Quadrangle Mapping. The Survey.
Warning: These citations may not always be 100% accurate.