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The Foothills Erratics Train consists of large quartzite blocks of Rocky Mountains origin deposited on the eastern slopes of the Rocky Mountain Foothills in Alberta between ~53.5°N and 49°N. The blocks were deposited in their present locations when the western margin of the Laurentide Ice Sheet (LIS) detached from the local ice masses of the Rocky Mountains, which initiated the opening of the southern end of the ice-free corridor between the Cordilleran Ice Sheet and the LIS. We use 10Be exposure dating to constrain the beginning of this decoupling. Based on a group of 12 samples well-clustered in time, we date the detachment of the western LIS margin from the Rocky Mountain front to ~14.9 ± 0.9 ka. This is ~1000 years later than previously assumed, but a lack of a latitudinal trend in the ages over a distance of ~500 km is consistent with the rapid opening of a long wedge of unglaciated terrain portrayed in existing ice-retreat reconstructions. A later separation of the western LIS margin from the mountain front implies higher ice margin–retreat rates in order to meet the Younger Dryas ice margin position near the boundary of the Canadian Shield ~2000 years later.
This study aimed to (1) explore how palliative care in long-term care (LTC) addresses the tensions associated with caring for the living and dying within one care community, and (2) to inform how palliative care practices may be improved to better address the needs of all residents living and dying in LTC as well as those of the families and support staff. This article reports findings from 19 focus groups and 117 participants. Study findings reveal that LTC home staff, resident, and family perspectives of end-of-life comfort applied to those who were actively dying and to their families. Our findings further suggest that eliciting residents’ perceptions of end-of-life comfort, sharing information about a fellow resident’s death more personally, and ensuring that residents, families, and staff can constructively participate in providing comfort care to dying residents could extend the purview of end-of-life comfort and support expanded integration of palliative principles within LTC.