U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database

General Information

  • Title: Conodont-based determination of the Silurian-Devonian boundary in the Valley and Ridge province, northern and central Appalachians
  • Author(s): Denkler, K.E., and Harris, A.G.
  • Publishing Organization: U.S. Geological Survey
  • Series and Number: Bulletin 1837-B [p. B1-B13]
  • Larger Work: Sando, W.J., ed., Shorter contributions to paleontology and stratigraphy
  • Publication Date: 1988
  • Map Scale: 1:3,463,643
  • Cross Section: None
  • North Latitude: 42° 49' 35" N (42.8264)
  • South Latitude: 37° 24' 49" N (37.4136)
  • East Longitude: 73° 14' 11" W (-73.2364)
  • West Longitude: 80° 31' 5" W (-80.5181)
  • Corrections to this entry?

Map Preview

(Click image to enlarge)

Downloads from the NGMDB


External Resources