National Geologic Map Database
General Information
- Title: Graptolite-bearing Silurian rocks of the Houlton - Smyrna Mills area, Aroostook County, Maine
- Author(s): Pavlides, Louis, and Berry, W.B.N.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Professional Paper 550-B
- Larger Work: Geological Survey Research 1966
- Publication Date: 1966
- Map Scale: 1:161,000
- Cross Section: None
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Geologic units referred to in Geolex
Additional Resources
- Links and Downloads:
- View the publication from the USGS Publications Warehouse
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.