I’m working on a piece of speculative fiction–probably about novella length. It’s set in real places. A canyon in Vernal, Utah is important as is a village in New Mexico. I drew lots of maps:
Then I looked at a real map and discovered, I’d put New Mexico north of Utah.
Time to start re-writing.
Miriam's Well: Poetry, Land Art, and Beyond 
Excited to read this! The maps are intriguing! And hey, maybe in your speculative world there was an earthquake or an explosion that made Santa Fe travel north?
I love your idea–but it might be my dyslexia. Basically I wanted things downstream but swapped directions.