Keywords: Lake Washington Ship Canal, U.S. Government Locks, Seattle, Washington. Lake Union to Lake Washington. - NARA - 298872.jpg Scope and content The US Army Corps of Engineers extensively photographed many of the Civil Works project and river and harbor improvement that they were involved with The Lake Washington Ship Canal and the Hiram Chittenden Locks were built to allow passage between fresh water Lake Union and salt water Puget Sound General notes 298872 Local identifier Department of Defense Department of the Army Office of the Chief of Engineers North Pacific Division Seattle District 09/18/1947 - 06/14/1979 NARA's Pacific Alaska Region Seattle NRIAS 6125 Sand Point Way NE Seattle WA 98115-7999 1916 Record group Record Group 77 Records of the Office of the Chief of Engineers 1789 - 1999 Record group ARC 406 Civil Works Project Photographs compiled ca 1900 - ca 1977 Series ARC 580875 File unit File unit ARC Variant control numbers NAIL Control Number NRIS-77-SEAPHOTOS-P120 Other versions <gallery> File Lake_Washington_Ship_Canal _U S _Government_Locks _Seattle _Washington _Lake_Union_to_Lake_Washington _-_NARA_-_298872 tif tif File Lake_Washington_Ship_Canal _U S _Government_Locks _Seattle _Washington _Lake_Union_to_Lake_Washington _-_NARA_-_298872 jpg jpg </gallery> NARA-cooperation PD-USGov Hiram M Chittenden Locks construction 1916 in Seattle |