No. 10. Connecticut. Granby sheet. U.S. Geological Survey, J.W. Powell, Director. State of Connecticut ... commissioners. Henry Gannett, Chief Topographer. Marcus Baker, Topographer in charge. Triangulation by U.S. Coast and Geodetic Survey and S.S. Gannett. Topography by G.L. Johnson and W.M. Beaman. Surveyed in 1889-90. (1893)