Geohashing and OpenStreetMapping

On the weekend Tristen and I ventured into Virgina on a geohashing field trip, a first for both of us. Saturday’s random location for our graticule according to the XKCD Geohashing algorithm was 38°48'28.57" north, 77°31'49.41" west, conveniently located in some woods just off a road in Manassas National Battlefield Park.

A map of the location

While we were out we took the opportunity to make mapping notes to add to OpenStreetMap. The area is already fairly well-covered, but we got some additional creeks, buildings, and road/trail information which we’ll upload when we get some time. I used OSMTracker on my phone which is great for recording GPS tracks and geolocated notes & photos. The phone’s location accuracy is not great for detailed mapping, though, and I think I’m going to have to upgrade to a real GPS device soon.

I know we’re late to the party, but Geohashing seems to go great with OpenStreetMap. It’s a fantastically nerdy method of finding new places to map after you’ve already got every last detail of your own neighbourhood recorded. We’ll be doing it again sometime soon.

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