Today’s post was written by Grace Schultz, archivist at the National Archives at Philadelphia. On September 16, 1966, the U.S. Army Corps of Engineers (USACE) drowned over 10,000 acres of Seneca land in northwestern Pennsylvania and southwestern New York. The 1794 Treaty of Canandaigua, signed by George Washington as well as Native and federal delegates, … Continue reading Public Outcry, a Broken Treaty, and the Controversial Construction of the Kinzua Dam