Hot Water Treasures
> Types of Thermal Features > Hot
Springs > Morning Glory Pool
Morning Glory Pool
Unfortunately, vandalism to Morning Glory Pool began early. The
spring originally had a scalloped sinter border, 6-10 inches (15-25
cm) wide and 2-5 inches (5-13 cm) high. The entire rim was dismantled
by souvenir hunters. By the 1950s, people had thrown so much trash,
rocks, logs, and coins into the spring that Morning Glory Pool became
known informally as the "garbage can."
of the debris became embedded in the sides and vent of the spring,
affecting water circulation and decreasing the water temperature.
Consequently, yellow and orange microorganisms, previously unable
to live in hotter water, have spread towards the center of the pool,
decreasing the area of clear blue.
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