A decaying white cross lies in a small cemetery for children who died at Brandon Indian Residential School near one of three sites where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada June 12, 2021.

An overgrown road leads to the site of the former Brandon Indian Residential School near where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

Shoes, stuffed animals and other offerings are seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

Shoes, stuffed animals, dream catchers and other offerings are seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

The frame of a burnt chair sits at Brandon Indian Residential School near a location where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

A red dress hangs in honour of murdered and missing indigenous women and girls in a wooded area near the Brandon Indian Residential School site in Brandon, Manitoba, Canada, June 12, 2021.

A monument marked with the names of 11 children who died while attending the Brandon Indian Residential School is seen at one of three sites where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

Shoes, stuffed animals, dream catchers and other offerings are seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

An offering is seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

A monument marked with the names of 11 children who died while attending the Brandon Indian Residential School is seen at one of three sites where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada. June 12, 2021.

Dream catchers are seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

The Brandon Indian Residential School is seen in Brandon, Manitoba, Canada in 1947. Picture taken in 1947. Shingwauk Residential Schools Centre/Handout via REUTERS.

A monument marked with the names of 11 children who died while attending the Brandon Indian Residential School is seen at one of three sites where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.

Shoes and a stuffed animal are seen at the site of the former Brandon Indian Residential School where researchers, partnered with the Sioux Valley Dakota Nation, located 104 potential graves in Brandon, Manitoba, Canada, June 12, 2021.