Complex sentence: In the 1920s Indian Agent J. W. Burns compiled local stories and published them in a series of Canadian newspaper articles: they were accounts told to him by the Sts'Ailes people of Chehalis, and others.
Split into simpler sentences: In the 1920s, Indian Agent J. W. Burns compiled local stories and published them in a series of Canadian newspaper articles. They were accounts told to him by the Sts'Ailes people of Chehalis and others.