North River Geographic Systems, Inc

10/02/2026

31 Day OpenStreetMap Challenge

Inspired by the annual 30DayMapChallenge, the Local Chapters and Communities Working Group of the OpenStreetMap Foundation is organising the 31 Day OSM Challenge, aka Maptober, this October 2026!

10/01/2026

Adding cemeteries to OpenStreetMap

In a previous post I talked about my aunt that died and we couldn’t find the cemetery. Found it! Welcome to the Bethel Cemetery. I will tip my hat to the inherent creepiness of the whole thi…

09/30/2026

Openstreetmap data in layers and placed in geoparquet.

Layercake is a distribution of OpenStreetMap data that’s been separated into thematic layers and converted into GeoParquet format, making it easier to use with many GIS software tools. And now, Layercake has...

09/29/2026

Vlog from one of the attendees to Hiroshima FOSS4G 2026

▼字幕ありPlease click the CC button to turn on the subtitles.FOSS4G ...

09/25/2026

The open Source Meeting for North America is coming to Sacramento

https://www.foss4gna.org/

09/21/2026

QGIS US Meeting tomorrow at 12 EDT - Come hear about Proj!

It’s been a while since I’ve done a QGIS US meeting. Part of it was burnout and part I’ve been busy with work and life. So we’re talking projections tomorrow. Proj is a big…

09/21/2026

So I'm going to start adding Cemeteries to OSM in Bledsoe County TN....

So my first confession will be: I gave up on mapping graves in cemeteries. There’s a cemetery up the road from my current location and I wanted to map all the residents with the finest locat…

09/09/2026

Mapmakers sometimes intentionally lie. They add fake details to their maps, but only in small details and for a surprisingly good reason. For about a hundred years, cartographers have included made-up streets and towns, called trap streets and paper towns, to catch competitors who copy their maps rather than conduct their own surveys. This article explains how that trick works, how a fake town became real, and how the same idea is now used to catch AI models by hiding copyright traps in text.

https://hicsuntdra.co/blog/trap-streets/

08/28/2026

Let the good times roll!

I was asked today how I rated this trip and I give it an 8 out of 10. As I was telling people in class it’s been “Pre-Katrina” since I was in Louisiana. I’m actually down h…

08/28/2026

Send Geohipster your maps!

Above is a map from the 2026 Geohipster Calendar by Antonio Smith – Noteworthy because it’s East Tennessee. The 2027 Geohipster calendar is now accepting admissions. You may think & #82…