Surficial Geologic Map of the Aberjona River Valley

(from Chute, N., 1959. Glacial geology of the Mystic Lakes - Fresh Pond area, Massachusetts:
U.S. Geological Survey Geologic Bulletin 1061-F, p. 187-216)

Legend

H = municipal well H | G = municipal well G
U = Unifirst Properties | G = W.R. Grace | B = Beatrice (Riley Tannery)
red = outcrop of fractured schist | pink (Qgm) = ground moraine (mixtures of sand-silt-clay)
beige with blue plant symbols (Qsd) = wetland deposits (mixtures of peat-sand-silt)
white (Qo) = glacial outwash (mixtures of sand and gravel with silt)
yellow (Qf) = artificial fill