21. Northampton Yale Public content 1909. 2011-12-12T21:29:06Z. 2022-03-29T20:39:41Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Massachusetts.
22. Plymouth Yale Public content 1909. 2011-12-12T21:29:08Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Massachusetts.
23. Springfield Yale Public content 1909. 2011-12-12T21:29:11Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Connecticut and Massachusetts.
24. Warwick Yale Public content 1909. 2011-12-12T21:29:12Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Massachusetts, New Hampshire, and Vermont.