A Perfunctory Port Report: the Cumaean Canal

 is considered a Knowledge Curiosity item.

Item description
"The way to the Surface, and a marvel of engineering. The Admiralty has a very modest interest."

Obtaining
 is a Port Report which can be obtained in Cumaean Canal Staging Area, a Sunless Sea port, by doing the Gather information for a Port Report action.

Usage
Initial turn in at the The Admiralty Survey Office in  London:  
 * SS echosmall.png +5x Echo.
 * SS bazaardoor glasssmall.png -1x A Perfunctory Port Report: the Cumaean Canal

Subsequent turn ins:  
 * SS echosmall.png +5x Echo.
 * SS bazaardoor glasssmall.png -1x A Perfunctory Port Report: the Cumaean Canal

Note: A Perfunctory Port Report: the Cumaean Canal does not grant  Favours: Admiralty's Favour or  Fuel on any of the turn ins.

For all the port report locations go the Port Report page.