Put together a Cartographer's Hoard
From Fallen London Wiki
| Spoiler warning! This page contains details about Fallen London Actions. |
From: Your Salt Steppe Atlas or A Return to Terra Firma
You have a great collection of maps and charts to use, and your own personal knowledge of the Unterzee.
Unlocked with 
Zeefaring 5, 
1 x Salt Steppe Atlas, 
5 x Puzzling Map, 
25 x Partial Map, 
5 x Vitreous Almanac, 25 x Glass Gazette, 
Zee Legs 25
Success
More ink
Coastlines will shift even before you are done copying them[…] Was Irem always this far North? You have assembled a collection of maps[…] so complete as to be forbidden. But there are limits[…] you mark that boundary on the eastern edge[…]: HIC SVNT DRACONES.
[Find the rest of the story at https://www.fallenlondon.com]
You've lost 1 x Salt Steppe Atlas
You've lost 5 x Puzzling Map
You've lost 25 x Partial Map
You've lost 5 x Vitreous Almanac- You've lost 25 x Glass Gazette
You've lost 25 x Zee Legs- You've gained 1 x Cartographer's Hoard
