No. 8. Connecticut. Cornwall sheet. U.S. Geological Survey, J.W. Powell, Director. State of Connecticut ... commissioners. Henry Gannett, Chief Topographer. Marcus Baker, Topographer in charge. Triangulation by the U.S. Coast and Geodetic Survey. Topography by E.W.F. Natter and G.L. Johnson. Surveyed in 1889-90. (1893)
