The area east of Staunton at the foot of the Blue Ridge Mountains contains the sinkhole pond complex known as Big Levels which includes
Maple Flats. This area was studied and the odonate fauna described by S. Roble in 1999. This paper with species list can be accessed
here or on the
References page. Be sure to see the addendum to the species list of the site
here. All the ponds are described in the paper
here.