Self-Unloader 2 : A vessel, typically found on the Great Lakes, equipped with an onboard conveyor capable of unloading bulk cargoes without the aid of shore side equipment
Ilan Kelman (ed.), Vulnerability and Resilience Definitions and References, Version 2, 2007. http://www.islandvulnerability.org/docs/vulnres.pd f, (Vulnr and Resilience - Brit) {524}