The first map below shows an overview of the Connecticut and New York Counties where Ephraim lived and visited. In I744, Ephraim was born in Windham County, the most northeast county of Connecticut.
In 1762, he married Dorothy Bennett in New Fairfield, Connecticut. Sometime prior to 1765, he owned land in New Fairfield, CT, which he leased to his brother. New Fairflield is shown on the second map below (dated 1766) along the northwest edge of Fairfield County.
At some point, Ephraim moved to Dutchess County, NY. This eastern county of New York boarders Connecticut, as show in this first map. More details are shown in the third map below.