reading the signal…
Signals / Object / Mapped places
in Weilmünster, HE·counted·70 all time
A historic mine, typically featuring old shafts, tunnels, machinery, spoil heaps, or preserved mining structures.
Counted, not streamed: Historic Mine has no time series, so it is read as a footprint across places. All-time count by city.
Things that physically exist: street furniture, signs, buildings. All-time counts.