**Devonian**


 Dc1m - Concord Granite (Late Devonian) DS1-6 - Spaulding Tonalite (Early Devonian) Db2b - Bethlehem Granodiorite (Early Devonian) Dk2x - Kinsman Granodiorite (Early Devonian) Dlu - Littleton Formation - unnamed upper member Dll - Littleton Formation - unnamed lower member 
