USGS

Sketches of tectonic history of Blue Ridge - South Mountain anticlinorium
Figure 25. Diagrammatic sketches showing Middle Proterozoic to Cenozoic tectonic history of the Blue Ridge-South Mountain anticlinorium near Harpers Ferry, W.Va.
U.S. Geological Survey, U.S. Department of the Interior
This page is https://pubs.usgs.gov/bulletin/b2123/figure25.html
Contact: Scott Southworth
Last modified 08.29.00