As of late July 2021, the Sagkeeng First Nation had begun a search of the former site of Fort Alexander Indian Residential School, near Powerview-Pine Falls in Manitoba. The search made use of drone surveying and ground-penetrating radar. On June 6, 2022, the Nation announced they had identified 190 "anomalies" in the ground during the search: 137 in one area and 53 in another. The anomalies were not found at the site of the residential school. Having ruled out pipelines, sewer lines, and waterlines, work continued following the announcement to determine whether the anomalies were gravesites.
Following the announcement from Kamloops in 2021, consultation and a search began at the site of the former Sandy Bay Residential School on Sandy Bay First Nation. The search used ground-penetrating radar and drone imagery. Results of the search were presented to the community in May 2022, having identified 13 potential unmarked grave sites. Four of these sites were determined to have a "moderate probability" of being an unmarked grave and nine sites were assessed as possessing a "low probability" of being graves. Further steps had not been decided by the community as of May 29, 2022
On January 17, 2023, a statement released by Wauzhushk Onigum Nation announced the discovery of 171 "anomalies", which the statement also called "plausible burials",located by ground-penetrating radar around the site of the former St. Mary's Indian Residential School. According to the statement, "The Nation’s next steps are to gain greater certainty on the number of plausible graves in the cemetery grounds using additional technologies and to conduct additional investigations at several additional sites not covered during the initial investigations that are in the vicinity of the school."
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