[gdal-dev] Public XYM or XYZM datasets?

[Carl Godkin]

Hi,

While I had read about XYM and XYZM on the mailing list a few months ago, I
had no experience with those geometry types until today when I happened to
stumble on

http://www-static.bouldercolorado.gov/docs/opendata/OSMPTrails.zip

which contains a shapefile of trails around Boulder, Colorado that has
    Geometry: Measured Line String
in GDAL 2.1's ogrinfo.

I would like to find some other datasets with XYM (and/or XYZM) geometry
for testing.

I didn't see any associated with the RFC or tickets associated with it.

Can anyone point me to any others?  Thanks very much,

carl
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