Wyman Heights - Sec. II, A Definitive Subdivision Plan of Land, Billerica, Mass., owned by J. E. Farmer (Walter E. Sampson & Assoc., Civil Engineers and Surveyors, Billerica, June 2, 1970)

Wyman Heights - Sec. II, A Definitive Subdivision Plan of Land, Billerica, Mass., owned by J. E. Farmer (Walter E. Sampson & Assoc., Civil Engineers and Surveyors, Billerica, June 2, 1970), 1971 (Plan Book 112 Page 53)