National Geologic Map Database
Product Description Page
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Title: Geologic map of the Heidrick quadrangle, Knox and Laurel Counties, Kentucky [A digital rendition of this product is available]
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Author(s): Trimble, D.E., and Smith, J.H.
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Publishing Organization: U.S. Geological Survey
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Series and Number: Geologic Quadrangle Map GQ-1501
- Publication Date: 1978
- Map Scale: 1:24,000
- Cross Section: None
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.