… large group of Grassy Narrows First Nation members will march on Queen … of Grassy Narrows, or Asubpeeschoseewagong, First Nation have been speaking out about … the members of Grassy Narrows First Nation from mercury contamination.… large group of Grassy Narrows First Nation members will march on Queen … of Grassy Narrows, or Asubpeeschoseewagong, First Nation have been speaking out about … the members of Grassy Narrows First Nation from mercury contamination.