U.S. Geological Survey: Science for a Changing World - USGS visual identifier and link to main Web site at http://www.usgs.gov/

Photograph of Trimble Knob, a basaltic volcanic neck or plug, near Monterey, Va. For a more detailed explanation, contact Jonathan Tso at jtso@radford.edu.
 
Figure 17. Photograph of Trimble Knob, a basaltic volcanic neck or plug, near Monterey, Va. View is to the south.

 

U.S. Department of the Interior, U.S. Geological Survey
URL: https:// pubsdata.usgs.gov /pubs/circ/2004/1264/html/trip4/fig17.html
For more information, contact Jonathan Tso
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Last modified: 12:24:25 Wed 23 Nov 2016
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