ROCKLAND, Maine — Ten acres on Talbot Avenue soon could be the location of an affordable housing development that would feature a mix of rental units and owner-occupied single-family homes. The site could feature eight approximately 500-square-foot one-bedroom homes, three duplexes with a one-bedroom unit on one side and a three-bedroom unit on the other, and as many as five single-family homes. The proposal is a collaboration between MaineHousing, Midcoast Habitat for Humanity and the Knox County Homeless Coalition.