20250830 06023900 1.0 TRUE MarineTraffic_Cargo_AIS_2017 This layer is based on AIS data downloaded from https://marinecadastre.gov/ais/. The AIS points were converted into tracks and spatially joined to the BOEM aliquot layer. This gives a count of vessels that traversed an aliquot in 2017. Vessels are separated out by type (All ships, Cargo, Tanker, Fishing, Tugs and Tows). Contact: frank.pendleton@boem.gov.