Thad Guidry <thadguidry@gmail.com> wrote:
> I helped with the Lighthouses schema in Freebase.
>
> Some of which is based on List of Lights (NGA) USA.
>
> I have DB conversion data for the PDFs...just never got around to loading
> them all in.
>
> Let me know if I can help.

I was able to match 407 lighthouses on OSM and Wikidata:

http://edwardbetts.com/osm-wikidata/2015-04-18/match_results/Lighthouses.html