2004 amended final scoping decision document : St. Croix River Crossing Project : Trunk Highway 36, Washington County, Minnesota, State Trunk Highway 64, St. Croix County, Wisconsin

Amended memorandum of agreement between the Federal Highway Administration, the U.S. Army Corps of Engineers, the Advisory Council on Historic Preservation, and the Minnesota and Wisconsin State historic Preservation officers regarding the St. Croix River Crossing Project

2003 amended scoping document and 2003 amended draft scoping decision document : St. Croix River Crossing : Trunk Highway 36, Washington County, Minnesota, State Trunk Highway 64, St. Croix County, Wisconsin

TH 36/STH 64 St. Croix River Crossing Project : 2005 supplemental final environmental impact statement

TH 36/STH 64 St. Croix River Crossing Project : 2006 supplemental final environmental impact statement and final section 4(f) evaluation

TH 36/STH 64 St. Croix River Crossing project : 2004 supplemental draft environmental impact statement and draft section 4(f) evaluations