3
votes
2answers
279 views

Where can you find an online elevation profile of Tahoe Rim Trail?

Where can I find a good elevation profile of Tahoe Rim Trail? This website has an elevation profile based on GPS data points. However, it is not laid out in a very useful format. I'm looking for ...
4
votes
2answers
193 views

GPS topo map downloads

I know the USGS and many others offer free downloadable raster topo maps for almost anywhere. But what if I want vector maps using GPS coords? I'm new to GIS but I would assume there is a de facto ...
8
votes
2answers
146 views

wilderness maps

The Norwegian directorate for nature management publishes a map of wilderness showing how far away a particular area is from heavy technical interventions, such as roads, electricity lines, hydro ...