Marine Sweep Width Data

Data here is extracted from [https://www.dco.uscg.mil/Portals/9/CG-5R/manuals/COMDTINST%20M16130.2F.pdf]

Admendments and additions with a citation are welcome. Please create a PR or open an issue.

The source data is on the source-data branch, the main branch only contains the data as exported javascript objects.