—__in Sie SPECIAL GEOLOGY--MASSACHUSETTS——MAPS. CoLvections
Massachusetts. Commission, Centennial Exhibition,
SCH 1876.
.F876 Report on the geological map of Massachusetts,
| .120 prepared by W.0. Crosby. Boston, A.A. Kingman,
| 1876.
| 52p. 23cm.
| "Geology of the Nashua Valley, by L.S. Burbank": | p. 43-52.
1. Geology--Massachusetts--Maps. I. Crosby, William Otis, 1850-1925. II. Burbank, Levi
Sumner. &