Operation Essex - G+ Community Archive

Where does this map point to? Originally shared by Brent Werlein Agents, This image was hidden in this weeks #ingressreport .  It is a map with 4 locations marked by the Unbound Glyph.  I am asking for your help in determining these cities and where this map comes from.  Can you help? Operation Essex  #operationessex  Ingress Edgar Allan Wright

In the last #ingressreport signal, i see Klue S. having a "Flashback". She will be recovering control of her true self?