Geological Survey (U.S.), Kentucky Geological Survey, & Peterson, W. L. (1973). Geologic map of the Brush Grove quadrangle, Nelson and Washington Counties, Kentucky. The Survey.
Chicago Style (17th ed.) CitationGeological Survey (U.S.), Kentucky Geological Survey, and Warren Lee Peterson. Geologic Map of the Brush Grove Quadrangle, Nelson and Washington Counties, Kentucky. Washington, D.C.: The Survey, 1973.
MLA (9th ed.) CitationGeological Survey (U.S.), et al. Geologic Map of the Brush Grove Quadrangle, Nelson and Washington Counties, Kentucky. The Survey, 1973.
Warning: These citations may not always be 100% accurate.