Saguaro National Park:

"Saguaro National Park Celebrates 75 years"
By Doug Kreutz
Most of the people reading these words weren’t alive when Saguaro National Park was set aside as a federal preserve 75 years ago.
Ah, but here’s a telling fact: Many of the saguaro cacti now growing in the park were alive 75 years ago — and at least a few of them were already a century old at the time.
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