Downloading An Explorer's Cartography of Already Settled Lands

Fran Wilde's fantasy short story "An Explorer's Cartography of Already Settled Lands" is a Tor.com Original
One can't set a course without a map. A ship's navigator seeks to map a world already inhabited in order to find a space for their ship's passengers to settle. In doing so, they find their course altered as the world and their place in it changes.