At this same time, it lost the St. Margaret's Bay area to Chester-St. Margaret's, the Hammonds Plains, Lucasville, and Pockwock Road area to Sackville-Beaver Bank, and the Bedford area to Bedford-Fall River. In 2003, it lost the Bayside and West Dover areas to Chester-St. Margaret's.
The passage describes a series of territorial shifts that occurred at different times. The entity experienced boundary changes, losing control over specific regions to other entities. Notably, in 2003, it lost the Bayside and West Dover areas to Chester-St. Margaret's.