You might want to look at the following URL for a group of bottle collectors in northern Indiana. http://www.bottlediggers.com/ I encourage people to sign their guest book with a message to let them know the damage they cause. Bill William Hampton Adams, PhD Lecturer, Director of Studies Department of Archaeology Flinders University GPO 2100 Adelaide, SA 5050 AUSTRALIA (+61 8) (08) 8201-5257 (+61 8) (08) 8201- 3845 fax See the Flinders University website at: http://wwwehlt.flinders.edu.au/archaeology/home.html See the Australian Archaeology journal websites at: http://felix.antiquity.arts.su.edu.au/AAA/Publications/index.html http://felix.antiquity.arts.su.edu.au/AAA/Contributors/index.html