ASCE Region 9 National Historic Civil Engineering Landmarks
Region 9 National Landmarks List	ASCE Historic Civil Engineering Landmarks Program	ASCE History & Heritage Committee

Historic Preservation Resources
California Office of Historic Preservation	National Register of Historic Places	National Park Service Heritage Documentation Programs	U.S. General Services Administration Historic Preservation
California State Landmarks by County	Wikipedia List of Historic Civil Engineering Landmarks	ASCE List of Historic Civil Engineering Landmarks	Nominate a Historic Civil Engineering Landmark