Projection
The Projection You Didn't Choose
Every flat map bends the earth somewhere. The question worth asking is where the cartographer decided the bending would go unnoticed.
Recent entries
Notes from the sheet
Terrain Reading
Reading Contour Lines Like a Story
Spacing, closure, and direction turn a page of squiggles into a hill, a cliff, or a basin — once you know what each one is narrating.
Generalization
What Generalization Erases
Below a certain scale, the cartographer must delete something. What survives the cut says as much as what's shown.
Scale
Scale Bars and the Lies They Tell
A scale bar looks like the most honest mark on the page. It is also the easiest place to hide a distortion.
History
The Blank Spaces on Old Charts
Before satellites, an empty patch of chart wasn't neutral — it was a decision, and sometimes a guess dressed as fact.
Navigation
Grid North Versus True North
Three norths live on the same sheet, and a bearing that ignores the difference will walk you somewhere else entirely.
Symbols
Legends Are Arguments
A legend claims to be a neutral key. Read closely, it's the cartographer telling you what mattered enough to symbolize.
Field Practice
Walking a Map Into the Field
A map that agrees with the ground everywhere gets no credit. Where it disagrees is where the reading actually happens.
Coordinate Systems
The Datum Problem Nobody Mentions
Two maps of the same coastline, two different datums, and a shoreline that jumps a hundred meters between them.