http://hdl.handle.net/1721.3/200934 Thu, 09 Apr 2026 23:19:29 GMT 2026-04-09T23:19:29Z http://hdl.handle.net/1721.3/200935 Geological and mining excursion to Nova Scotia Robert H. Richards For more information about this item, visit https://archivesspace.mit.edu/repositories/2/archival_objects/176722 Wed, 01 Jan 1879 00:00:00 GMT http://hdl.handle.net/1721.3/200935 1879-01-01T00:00:00Z