#1644: protomaps, coal, mountains
, last check: Mon, 24 Aug 2026. Post history
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protomaps
protomaps.js is a vector tile renderer and labeler with all the features and a small size that even works with data in Postgis
via @pg_tileserv
https://github.com/protomaps/protomaps-leaflet -
coal
Detect_MGP is a computer process that combines image analysis and machine learning to find all the coal gas deposits on old maps in order to clean up the toxic space they left empty.
https://urbanomnibus.net/2021/07/gasworks-lost-and-found/ -
mountains
PeakFinder is a mobile application that uses the camera to identify mountains visible from your position, even offline, around the world
https://www.peakfinder.com/
Raf