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in (SHIRLEY) (WESTFORD) (PEPPERELL) (HUDSON) Discussion of surficial materials and description of map units available at https://doi.org/10.3133/sim3402

(PEPPERELL) 42°37'30N · Ayer Quadrangle, Massachusetts Compiled by Byron D. Stone and Janet R. Stone Map was scanned, processed, georeferenced, rectified, and cropped by the Massachusetts

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Page 1: (PEPPERELL) 42°37'30N · Ayer Quadrangle, Massachusetts Compiled by Byron D. Stone and Janet R. Stone Map was scanned, processed, georeferenced, rectified, and cropped by the Massachusetts

in

(SH

IRLE

Y)

(WE

ST

FO

RD

)

(PEPPERELL)

(HUDSON)

Discussion of surficial materials and

description of map units available at

https://doi.org/10.3133/sim3402