1897. Geological Survey (U.S.). Relief shown by contours.; Contour interval 20 feet.; "Henry Gannet, Chief Geographer, H.M. Wilson, Geographer in charge; Topography by Frank Sutto... U.S. Geological Survey (Washington, D.C).
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1906. Geological Survey (U.S.). Shows mines. Relief shown by contours and spot heights.; "E.M. Douglas, Geographer in charge. Topography by R.H. Sargent. Triangulation by T.M. Ban... U.S. Geological Survey (Washington, D.C).
1918. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1914-1916."; "1918."; Includes notes. 59 x 65 centimeters Scale 1:24,000 City Maps. U.S. Geological Survey (Washington, D.C).
1901. Geological Survey (U.S.). Relief shown by contours.; "Surveyed in 1898."; "Jon H. Renshawe, Geographer in charge. Topography by E.C. Bebb."; "Datum is mean sea level." 33 x ... U.S. Geological Survey (Washington, D.C).
1906. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1900."; Includes legend in right margin.; Text and ill. on verso. 49 x 76 centimeters Scal... U.S. Geological Survey (Washington, D.C).
1917. Geological Survey (U.S.). Relief shown by contours.; Contour interval 5 feet.; "Surveyed in 1916." 141 x 63 centimeters Scale approximately 1:21,120; 3 inch to 1 miles City ... U.S. Geological Survey (Washington, D.C).
1903. Geological Survey (U.S.). Relief shown by contours.; At lower right: Boston and vicinity.; Reprint.; Text and ill. on verso. 45 x 66 centimeters Scale 1:62,500 City Maps. U.S. Geological Survey (Washington, D.C).
1903. Geological Survey (U.S.). Relief shown by contours.; At lower right: Boston and vicinity.; Text and ill. on verso. 45 x 66 centimeters Scale 1:62,500 City Maps. U.S. Geological Survey (Washington, D.C).