No. 18. Connecticut. Meriden sheet. U.S. Geological Survey, J.W. Powell, Director. State of Connecticut ... commissioners. Henry Gannett, Chief Topographer. Marcus Baker, Topographer in charge. Triangulation by S.S. Gannett. Topography by W.R. Atkinson and J.H. Jennings. Surveyed in 1889-90. Engraved by U.S.G.S. (1893)