National Geologic Map Database
General Information
- Title: The igneous rocks of Essex County, Massachusetts [abs.]
- Author(s): Clapp, C.H.
- Publishing Organization: Massachusetts Institute of Technology
- Series and Number: Ph.D. Dissertation
- Publication Date: 1910
- Cross Section: None
- North Latitude: 42° 53' 12" N (42.8867)
- South Latitude: 42° 24' 58" N (42.4161)
- East Longitude: 70° 35' 29" W (-70.5914)
- West Longitude: 71° 15' 22" W (-71.2561)
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.