The Upper Geyser Basin contains more active geysers than all the other
geyser regions in the world. Several days might well be spent roaming
among the geysers and observing the varied phenomena.
The more important ones are listed in the table on page 439.
------------+--------+---------------------+-----------------------------
_Geyser_ |_Height_| _Duration of | _Interval_
|(_feet_)| eruption_ |
------------+--------+---------------------+-----------------------------
Artemisia | 50 | 10 to 15 minutes | 24 to 30 hours
| | |
Bee Hive | 200 | 6 to 8 minutes | 3 to 5 times at 12-hour
| | | intervals following
| | | Giantess
| | |
Castle | 50-75 | 30 minutes | 24 to 26 hours: quiet 4 to
| | | 7 days, then plays 3 or 4
| | | times at intervals stated
| | |
Cub, large | 60 | 8 minutes | With Lioness
| | |
Cub, small | 10-30 | 17 minutes | 2-1/2 hours
| | |
Daisy | 70 | 3 minutes | 85 to 90 minutes
| | |
Fan | 15-25 | 10 minutes | Irregular
| | |
Giant |200-250 | 60 minutes | 6 to 14 days
| | |
Giantess |150-200 | 12 to 36 hours | Irregular; 5 to 40 days
| | |
Grand | 200 | 15 to 30 minutes | Irregular; 1 to 2 days
| | |
Grotto | 20-30 | Varies | 2 to 5 hours
| | |
Jewel | 5-20 | About 1 minute | 5 minutes
| | |
Lion | 50-60 | About 2 to 4 | Irregular; usually 2 to 17
| | minutes | times a day
| | |
Lioness | 80-100 | About 10 minutes | Irregular
| | |
Mortar | 30 | 4 to 6 minutes | Irregular
| | |
Oblong | 20-40 | 7 minutes | 8 to 15 hours
| | |
Old Faithful|120-170 | 4 minutes | 60 to 95 minutes
| | |
Riverside | 80-100 | 15 minutes | 6 hours
| | |
Sawmill | 20-35 | 1 to 3 hours | Irregular; usually 5 to 8
| | | times a day
| | |
Spasmodic | 4 | 20 to 60 minutes | Irregular; usually 1 to 4
| | | times a day
| | |
Turban | 20-40 | 10 minutes to 3 |
| | hours | Irregular
------------+--------+---------------------+-----------------------------