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Views of the exterior and interior of the boundary marker. Of especial interest are its obelisk-like shape, hollow interior, and inscriptions on all four sides.

This photo shows a forested boundary area today, which has been maintained by the International Boundary Commission. The 1840s joint boundary commission removed all the trees within 30 feet of the line by hand.

Caroline Bucknall was an amateur naturalist and painter who accompanied her husband James Bucknall Bucknall Estcourt on his military postings. She owned this portable

Chinese Diagnostic Doll, found in the Touch Medicine section of the Ingenium Canada's Museums of Science and Technology. On loan from the Osler History of Medicine Library at the McGill University in Montreal (Canada).

This diagram shows how in the 20th century the original cast-iron monuments were reset with cement to stabilize them.

Estcourt kept a sketchbook and journal during the joint boundary commission. Here he shows a man writing by candlelight in his tent, with survey equipment at his side. It took several weeks for mail to cross the Atlantic by ship, and Estcourt always…

Erin and Dr.David Pantalony at the 3D Lab in the Ingenium Canada's Museums of Science and Technology.

This is a page taken from A. W. Ponton's accounts of surveying that he conducted in the Northwest Territories in 1884. At this time, extensive surveying was being undertaken in the regions of Manitoba and the Northwest Territories, aided in part by…

Video of the first attempt to print the Chinese Doll with the MakerBot Replicator 2 3D printer, at the MakerLab at the University of Ottawa.