Concerns with the potential impact of the proposed 51-unit Chantry Crossing development in Southampton drew a standing room-only crowd to an April 20 public meeting on applications for a revised mixed-use subdivision on future extensions of Emerald Dr. and Albert St. Some of the 458 Southampton residents who signed a petition in opposition to the SKG Holding /Chantry Crossing development – 33 single detached and 18 townhouse lots, a commercial b…