Geological
http://hdl.handle.net/20.500.13013/26
2024-03-28T15:17:38Z
2024-03-28T15:17:38Z
Massachusetts-New Hampshire, Newburyport sheet
http://hdl.handle.net/20.500.13013/1209
2022-09-29T17:07:21Z
1890-01-01T00:00:00Z
Massachusetts-New Hampshire, Newburyport sheet
Relief shown by contours and spot heights. "Surveyed in 1884-8."
1890-01-01T00:00:00Z