Hurricane Maria has devastated Puerto Rico, with continued centralized power outages and logistics complicated by port closures. As at 9/26 seven of 13 ports have reopened, with three (including Crowley’s) operating on an unrestricted basis. Re-establishing supply chains will be complicated by disruptions in neighboring Dominican Republic (DR), which accounted for 16% of all seaborne shipments and 22% of containerized freight in the past year. Analysis of over 2,000 product-country pairs shows critical supplies of bottled water (1,150 TEUs) and baked goods (1,010 TEUs) came from DR over ...