This dynamic map uses leaflet to render the JSON encoded results of a MySQL query. The map is part of the query service for the Temporal Gazetteer (TGAZ), designed and developed by Lex Berman and Bill Hays.
Sponsors: NSF I/UCRC for Spatiotemporal Thinking, Computing, and Applications (2014) and Pelagios Gazetteer Interconnection implemention (2015).
Code is on github.