20210224 11172400 1.0 TRUE 543LockLocksTransportation Wateriencusace This dataset represents locks for water navigation. United States Army Corps of Engineers (USACE) Locks Geospatial Data were developed from available data used in maintenance of navigation channels. Users should be aware that some features and attribute information could have significant inaccuracies due to changing waterway conditions, inaccurate source data, or approximations introduced during chart compilation. Caution is urged in use of this data or derived products for navigation planning or operation, or any decisions pertaining to or affecting safety of vessel operation.