MLA

Coast, U. S., and Geodetic Survey. Connecticut River, Deep River to Higganum, Connecticut / U.S. Coast and Geodetic Survey. U.S. Coast and Geodetic Survey, 1900. https://collections.library.yale.edu/catalog/15675169.

APA, 6th edition

Coast, U. S., & Survey, G. (1900). Connecticut River, Deep River to Higganum, Connecticut / U.S. Coast and Geodetic Survey. [Maps]. U.S. Coast and Geodetic Survey, https://collections.library.yale.edu/catalog/15675169.