21. Norwich sheet.

No. 21. Connecticut. Norwich sheet. U.S. Geological Survey, J.W. Powell, Director. State of Connecticut ... commissioners. Henry Gannett, Chief Topographer. H.M. Wilson, Geographer in charge. Triangulation by U.S. Coast and Geodetic Survey. Topography by F.P. Gulliver, Robert Muldrow, J.H. Wheat and G.L. Johnson. Surveyed in 1890-91. Engraved by Julius Bien & Co., N.Y. (1893)

Geological Survey (U.S.)

1893

1893

for sale by the State Librarian

1:62 500

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