Closed Contour

Back in the old days of using paper USGS topographic maps the only indication of topography were the contour lines themselves. It could be difficult to distinguish between a gully and a ridge. Digital representations of topographic maps have improved the situation by adding hillshading, a visual cue that allows your brain to think about [...]

There are so many things I’d like to do with the Closed Contour SPS map.  Cleaning up data problems, better labeling of important landmarks for climbers, features for overlaying personal data, making the map prettier — I really could work on it forever.
But Closed Contour is just a hobby for me and it’s unclear when [...]