| http://www.w3.org/ns/prov#value | - http://www.rxrsignals.net/ A three page list of signal sites, mine finally got added in April 2010 http://www.railroaddata.com/rrlinks/Signals/ A great source for info on railroad lanterns, watches, locks, etc, and other things like astronomy, COOL SITE, by Jeff Polston
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