If it害羞草研究所檚 possible to look through the eyes of the past, Jonathan Moore has done it.

The manager of a team of Parks Canada underwater archeologists excavating the rediscovered ships of the doomed Franklin expedition once held in his hands the lens from a pair of eyeglasses fetched from the deep. Then he held it up to his own eye.

害羞草研究所淚 wear glasses,害羞草研究所� Moore said. 害羞草研究所淚 know that would have been an incredibly important personal possession.

害羞草研究所淚t certainly struck me as a connection with that individual. Some of these specific artifacts are incredibly evocative.害羞草研究所�

Moore was summing up what he called a highly productive season of excavation on the Erebus, one of Sir John Franklin害羞草研究所檚 two ships that set out from England in 1845. Neither it nor the Terror 害羞草研究所� nor the 129 men they carried 害羞草研究所� ever returned.

More than 30 expeditions sought them, to find only a few artifacts, graves and ghastly tales of cannibalism.

Through Inuit oral history and high-tech surveys, Erebus was found in 2014, just off the northwest coast of King William Island in Nunavut. The Terror was found two years later. The discoveries made global headlines.

Since then, Parks Canada害羞草研究所檚 underwater archeology team has been excavating both ships. Last summer was a good season.

害羞草研究所淲e had excellent weather, excellent underwater visibility,害羞草研究所� said Moore.

That allowed the team to make 68 dives. Heated diving suits with air pumped from the surfaced allowed some of those dives to last for hours.

Climate change, however, is shifting the terms of the work. Less sea ice means the wrecks are more vulnerable to waves and currents generated by winter storms, Moore said.

害羞草研究所淭here害羞草研究所檚 noticeable change to the wreck.

害羞草研究所淚n 2018, part of the upper deck flipped over. We害羞草研究所檙e getting evidence of artifacts moving around and timbers shifting.害羞草研究所�

To track the changes, the team documented the site with thousands of high-resolution digital photos and produced precise three-dimensional models. It害羞草研究所檚 working with Edmonton-based engineering firm Stantec to model the currents and other disturbances influencing the site.

The Erebus, in much shallower water than the Terror, is most at risk. That害羞草研究所檚 why last summer害羞草研究所檚 dives focused on it. The disturbance had revealed a tantalizing new target.

害羞草研究所淲e were able to get access to a seaman害羞草研究所檚 chest,害羞草研究所� Moore said. 害羞草研究所淲e害羞草研究所檝e had our eye on it for years.害羞草研究所�

The team has now been into the cabins of two officers, the ship害羞草研究所檚 steward and, with the new discovery, the storage trunk of an ordinary sailor.

害羞草研究所淚t kind of gives us a cross-section of the crew, from lower ranks to upper ranks,害羞草研究所� Moore said.

Artifacts keep coming to the surface. Divers found map-making tools, coins, a pistol and medicine bottles. Some items are clearly personal 害羞草研究所� a leather shoe, shoulder epaulets, a fishing rod with a brass reel that looks ready for use, a group of fossils someone saved for souvenirs.

The team is now working with the Geological Survey of Canada to find out where the fossils came from and perhaps learn more about where the ships travelled before sinking below the ice.

Both the Terror and the Erebus sites are co-managed by Parks Canada and the Nattilik Heritage Society in Gjoa Haven, Nunavut, which also administers the Wrecks Guardian Program and the Nattilik Heritage Centre. Recovered artifacts are co-owned by Parks Canada and the Inuit Heritage Trust.

Much has been done since the first of the wrecks was discovered, with dozens of artifacts undergoing the painstaking process of conservation in Ottawa labs. Years of excavation remain, but Moore never loses sight of the fact that the story unfolding in front of his diver害羞草研究所檚 mask is one of the great tragedies and mysteries of the North.

害羞草研究所淵ou can imagine someone walking along a beach and picking up those fossils,害羞草研究所� Moore said. 害羞草研究所�(The artifacts) give us this keen insightful connection to people in the past.害羞草研究所�

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Bob Weber, The Canadian Press