GLOBEALERT
SCI & TECH● LOW1h ago · Oct 29, 2026, 6:48 AM

In 1925, a hydrothermal explosion reshaped Yellowstone's Biscuit Basin; 101 years later, the USGS reconstructed from 1926 letters how a misplaced “Black Pearl" sign diverted history 1,000 feet from the real geyser

Clarín · north america

Unos visitantes encontraron el letrero en un lugar donde no había ningún géiser.A partir de ese momento, comenzó a revelarse el misterio.

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