Free microchipping and free rabies vaccine for licensed dogs on the fourth Saturday of every month between 9:00 a.m. and 11:00 a.m. at Clackamas County Dog Services Animal Adoption and Education Center.Free microchipping and free rabies vaccine for licensed dogs on the fourth Saturday of every month between 9:00 a.m. and 11:00 a.m. at Clackamas County Dog Services Animal Adoption and Education Center.