Very tall firs among pavilions
The Idaho State Building sits among very tall mature firs that tower over the pavilions.
The questionIf the trees are that old, what else stood in this ground before 1909?
Investigate · Seattle 1909
Alaska-Yukon-Pacific Exposition Idaho State Building
1 clue in this photo
Photo: Could not be extracted automatically; most are anonymous or pseudonymous. Scanned by the Seattle Public Library. · Public domain · via Wikimedia Commons
Same kind of clue, elsewhere
Dark streaks on the surviving corniceHow long does weathering like this take, and does any of it predate 1876?
Mature trees on a former swampHow do you get a mature woodland on a swamp in two years?
An established lawn and potted palmsWas the ground freshly made, or already settled?
A weathered grotto overgrown with vinesHow does a grotto look this overgrown at a fair that had just opened?
Young, thin trees: a contrary detailIf the planting was new, was the ground new too, or was an older site cleared and replanted?
Mature trees around the survivorWas the park landscape older than the fair, and was the building too?