reading the signal…
Signals / Object / Street-level imagery
in Des Moines, IA·counted·89 all time
A grain elevator is a tall agricultural storage facility, typically featuring silos, conveyors, and loading equipment.
Counted, not streamed: Grain Elevator 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.