“Semá:th X̱ó:tsa: Sts'ólemeqwelh Sx̱ó:tsa (Great Gramma's Lake)" is a children’s book published by The Reach Gallery Museum, in collaboration with Stó:lō partners, that tells the story of the draining of Sumas Lake from an Indigenous perspective. Watch this video to hear the see and hear the story narrated by co-authors Thetáx Chris Silver and Xémontélót Carrielynn Victor.