National Geologic Map Database
General Information
- Title: The gabbros and associated hornblende rocks occurring in the neighborhood of Baltimore, Maryland
- Author(s): Williams, G.H.
- Publishing Organization: U.S. Geological Survey
- Series and Number: Bulletin 28 [78 p.]
- Publication Date: 1886
- Cross Section: None
- North Latitude: 39° 25' 13" N (39.4203)
- South Latitude: 39° 12' 49" N (39.2136)
- East Longitude: 76° 36' 19" W (-76.6053)
- West Longitude: 76° 49' 59" W (-76.8331)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.