reading the signal…
Signals / Object / Mapped places
in Rangely, CO·counted·3 all time
Petroleum Well: a drilled opening extracting oil or gas, typically featuring a pump, pipes, valves, or a metal platform.
Counted, not streamed: Petroleum Well 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.