GLS Offices

The Great Lakes St Lawrence Seaway Development Corporation (GLS) Offices dataset was compiled January 25, 2023 from the Great Lakes St. Lawrence Seaway Development Corporation (GLS) Policy Headquarters and is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics (BTS) National Transportation Atlas Database (NTAD). The Great Lakes St Lawrence Seaway Development Corporation’s (GLS) Massena, New York Operations facility (GLS) supports vessel transits through the Snell and Eisenhower locks from the opening of the navigation season in mid-March through the December 31st closing each year. GLS Operations are also responsible for all necessary maintenance performed between January 1st and mid-March to ensure reliability to vessel traffic during each St Lawrence Seaway season. A data dictionary, or other source of attribute information, is accessible at https://doi.org/10.21949/1529303