Complex sentence: Scott became a justice in the Supreme Court of the Northwest Territories in 1894 seated in Calgary, Alberta, and, in 1907 became a member of the Supreme Court of the new province of Alberta, seated in Edmonton.
Split into simpler sentences: Scott became a justice of the newly formed Supreme Court of the Northwest Territories in 1894, seated in Calgary, Alberta. In 1907 he became a member of the Supreme Court of the new province of Alberta, seated in Edmonton.