ST. ALBANS — Patricia Trahan and Carl Halbach, both of St. Albans, are pleased to announce their engagement. Patricia is the daughter of Joan Ostiguy of St. Albans, and Jeffrey Trahan of Highgate. Carl is the son of Ralph Halbach of St. Albans and Deborah Decelles of Sheldon. Patricia was homeschooled and graduated from Vermont Technical College with an associates degree in Dental Hygiene in 2007 and is currently employed at Dickinson & Branon Dental Care. Carl graduated from BFA 1998, St. Albans and is currently employed at Coca-Cola of New England. An August 2014 wedding is planned.