#2176: trail, terrain, mineral
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The official map of the Michinoku Coastal Trail, in Japan, is 38 paper maps but there is also an online interactive and a GPX as accompanying materials to do this route on foot
https://m-tc.org/en/ -
IGN France's RGE ALTI 1m digital terrain model, open, side by side with the aerial image in an interactive viewer that allows you to see below the vegetation
https://sgascoin.users.earthengine.app/view/hillshade-ign-rge-alti-1m -
Using spectral data from Earth observation satellites facilitates more accurate assessments of the mineral composition of a terrain to identify deposits of raw materials
https://medium.com/@terraeye/dive-into-spectral-analysis-for-mineral-prospecting-part-1-39c28d2ed59d
Raf