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Old Faithful Basin amazes in Yellowstone Natl Pk

Morning Glory Pool does indeed resemble the shape of a morning glory; the pool is 23 ft deep and 158 degrees although we didn't feel that heat

Morning Glory Pool does indeed resemble the shape of a morning glory; the pool is 23 ft deep and 158 degrees although we didn't feel that heat

Yellowstone was established in 1872 as the world's first national park; Old Faithful has always been the big draw but visitors can explore 1000  miles of hiking trails

Yellowstone was established in 1872 as the world's first national park; Old Faithful has always been the big draw but visitors can explore 1000+ miles of hiking trails

Heart Spring is a pretty pool of clear blue water, 15 ft deep and 10 ft across, enclosed by white sinter mats and orange-brown algae; it's supposedly shaped like a heart

Heart Spring is a pretty pool of clear blue water, 15 ft deep and 10 ft across, enclosed by white sinter mats and orange-brown algae; it's supposedly shaped like a heart

Terrace Mountain at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world; the Mammoth Terraces extend all the way from the hillside, across the Parade Ground, and down to Boiling River

Terrace Mountain at Mammoth Hot Springs is the largest known carbonate-depositing spring in the world; the Mammoth Terraces extend all the way from the hillside, across the Parade Ground, and down to Boiling River

We hiked to the Natural Bridge (note Lee inside); the arch is 51 ft tall and was created as water eroded through the surrounding ryholite rock

We hiked to the Natural Bridge (note Lee inside); the arch is 51 ft tall and was created as water eroded through the surrounding ryholite rock

In the late 1800s Mud Geyser erupted every few minutes spewing water 50 feet into the air; by 1927 the eruptions stopped but now steam vents are active again so maybe the geyser will come back to life

In the late 1800s Mud Geyser erupted every few minutes spewing water 50 feet into the air; by 1927 the eruptions stopped but now steam vents are active again so maybe the geyser will come back to life

Anemone Geyser has eruptions lasting 25 to 45 seconds every 6 to 10 minutes reaching a height of 6 to 8 feet; the geyser was named after the anemone flower

Anemone Geyser has eruptions lasting 25 to 45 seconds every 6 to 10 minutes reaching a height of 6 to 8 feet; the geyser was named after the anemone flower

The cutest and most common animal we saw in Yellowstone was the chipmunk; most ignored tourists but some, like this one, were hoping for a handout

The cutest and most common animal we saw in Yellowstone was the chipmunk; most ignored tourists but some, like this one, were hoping for a handout

It was very chilly at sunrise around the Old Faithful basin; my only other visit to Yellowstone was way back in 1993

It was very chilly at sunrise around the Old Faithful basin; my only other visit to Yellowstone was way back in 1993

Scissor Springs; it seemed like most visitors simply wanted to see Old Faithful erupt and didn't bother to walk around the basin to see the many interesting geothermal features

Scissor Springs; it seemed like most visitors simply wanted to see Old Faithful erupt and didn't bother to walk around the basin to see the many interesting geothermal features

Beehive Geyser is named for the resemblance of its 4 ft high cone to an old-fashioned beehive; the cone acts as a nozzle directing water up to 200 ft in the air

Beehive Geyser is named for the resemblance of its 4 ft high cone to an old-fashioned beehive; the cone acts as a nozzle directing water up to 200 ft in the air

Depression Geyser was inactive prior to an earthquake in 1959 that caused changes in the behavior of many of Yellowstone's thermal features; the geyser erupts on average once a day, sending water 10 feet in the air over a period of 5-10 minutes

Depression Geyser was inactive prior to an earthquake in 1959 that caused changes in the behavior of many of Yellowstone's thermal features; the geyser erupts on average once a day, sending water 10 feet in the air over a period of 5-10 minutes

Thinner than normal crust depth and a huge magma chamber beneath the park explain Yellowstone's abundant geysers, steaming pools, hissing fumaroles and bubbling mud pots

Thinner than normal crust depth and a huge magma chamber beneath the park explain Yellowstone's abundant geysers, steaming pools, hissing fumaroles and bubbling mud pots

Old Faithful erupts approximately every 90 minutes; this eruption was much less powerful and impressive than the one we saw at dawn

Old Faithful erupts approximately every 90 minutes; this eruption was much less powerful and impressive than the one we saw at dawn

Grotto Geyser; the Upper Geyser Basin, home of Old Faithful, hosts the majority of the world's active geysers

Grotto Geyser; the Upper Geyser Basin, home of Old Faithful, hosts the majority of the world's active geysers

The massive cone of Castle Geyser is a sign of old age; by altering soil chemistry, the geyser has devoured part of a pine forest

The massive cone of Castle Geyser is a sign of old age; by altering soil chemistry, the geyser has devoured part of a pine forest

Geologists believe than hundreds (or thousands) of years ago, Grotto Geyser emerged in a stand of dead or dying trees and deposited layer upon layer of silica over the stumps

Geologists believe than hundreds (or thousands) of years ago, Grotto Geyser emerged in a stand of dead or dying trees and deposited layer upon layer of silica over the stumps

Belgian Pool was originally named Oyster Spring, but was renamed after a visitor from Belgium fell into it in 1929 with fatal results; the spring is less hot than other features in the area (about <dfn title='82°C'>180 °F</dfn>), but still sufficiently hot for severe burns

Belgian Pool was originally named Oyster Spring, but was renamed after a visitor from Belgium fell into it in 1929 with fatal results; the spring is less hot than other features in the area (about 180 °F), but still sufficiently hot for severe burns

The greenish-blue pool of Chromatic Spring is about 30 ft in diameter though the vent is much narrower; the water is colored rich shades of red and orange by cyanobacteria, the deep colors indicating that the water temperature is relatively low

The greenish-blue pool of Chromatic Spring is about 30 ft in diameter though the vent is much narrower; the water is colored rich shades of red and orange by cyanobacteria, the deep colors indicating that the water temperature is relatively low

The geysers and springs around Old Faithful displayed tremendous variety; the boardwalks were treacherous in the early morning as moisture freezes on the composite boards making them like ice

The geysers and springs around Old Faithful displayed tremendous variety; the boardwalks were treacherous in the early morning as moisture freezes on the composite boards making them like ice

When active (last eruption was 18 months ago), Giant Geyser is one of the largest in the world; eruptions can expel more than a million gallons of water in a plume 250  ft high

When active (last eruption was 18 months ago), Giant Geyser is one of the largest in the world; eruptions can expel more than a million gallons of water in a plume 250+ ft high

Posted by VagabondCowboy 22:13

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