Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 91, § 32

The department shall, as funds are appropriated therefor, cause that portion of the Connecticut river lying within the commonwealth to be surveyed and plotted, and a copy of such survey within the limits of Hampden, Hampshire and Franklin counties, respectively, to be prepared, attested by them and deposited in the registry of deeds for the county to which it relates, as a public record.