Local Dogs Google Map: Dog Map

Article about how to deal with bike chasing dogs.
“How to Deal with Bad Dogs”
By Fred Matheny and Ed Pavelka of www.RoadBikeRider.com

Authorities

Montgomery County Animal Control

Also, here is the link to VADACS about dangerous dogs.
If you get bit you should notify the local police and VADACS so the dog gets put on the registry.
http://www.vdacs.virginia.gov/animals/dogs.shtml