Colton's road map of Union and Essex counties, New Jersey

County road map showing minor civil divisions.
Relief shown by spot heights.
"Entered according to Act of Congress in the year 1890 by G.W. & C.B. Colton & [word unclear] in the Office of the Librarian of Congress at Washington."
LC maps imperfect: Additionally fold lined, annotated in lead-pencil.
Includes notes.
Available also through the Library of Congress Web site as a raster image.
2 copies