Great Lakes St. Lawrence Seaway Development Corporation, SLSDC notice, Marine Safety Information Bulletin - Update (Change 4) (republishing USCG MSIB 02-20 Change 4) (Apr. 28, 2020) (Ex. AGY-USCG-PORTS-040)
Bureau of Reclamation, Lower Colorado Basin Region, News release, 'Hoover Dam temporarily closed to all visitors' (Mar. 17, 2020) (Ex. AGY-FED-LANDS-SCIENCE-COURTS-055)
Commandant, U.S. Coast Guard, Inspections and Compliance Directorate, MSIB 06-20 (Mar. 13, 2020) (Ex. AGY-USCG-PORTS-005)
Commandant, U.S. Coast Guard, Inspections and Compliance Directorate, MSIB 07-20 (Change 2) (May 7, 2020) (Ex. AGY-USCG-PORTS-021)
Commandant, U.S. Coast Guard, Inspections and Compliance Directorate, MSIB 02-21 (Feb. 1, 2021) (Ex. AGY-USCG-PORTS-031)
Maritime Administration, Office of Maritime Security, U.S. Maritime Alert 2021-002A (Jan. 16, 2021) (Ex. AGY-USCG-PORTS-043)
