John Vigour has a site that details several locations in the Blue Ridge Mountain area going North of Afton, VA check the following URL:
http://www.people.virginia.edu/~jiv5k/blue_ridge_slope_sites.htm
South of Afton:
http://www.people.virginia.edu/~jiv5k/blue_ridge_slopes-_south.htm
For more info check out the BRASS web site at:
