So, after some helpful tips from Cartographer's Guild Members, I reworked my Dungeon and Dragon Campaign's map to pass the River Police's dreaded inspection.

Without further ado, I present to you Oslin!--(again).

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The map covers all of the Oslin Peninsula the Northwatch plains near Atrea (the first line of defense in the case of Northern invasion), the Skyshatter waste between Olens and Eren, the plains of Telos, the great city of Cailanport (lying in the isthmus between the Sea of the Six and the Bay of Lords), and the isolated delta of Saint Selesce.

Drawn by hand, then edited on computer with GIMP, in a very simply, not-atlas-like style.