- - Fountain, gusher
- - Old Faithful at Yellowstone National Park for one
- - Gusher, fountain
- - Equipment that can provide hot water for bathing
- - The world's tallest currently-active ... is the Steamboat in Yellowstone National Park
- - Yellowstone National Park's Old Faithful, for one
- - Word from Icelandic for "gusher"
- - Spring, from the Icelandic
- - Old Faithful, for one
- - Old Faithful, for example
- - Hot-water gusher
- - One of the few English words from Icelandic
- - Natural gusher
- - Yellowstone's Steamboat, for one
- - Word from the Icelandic for "gush"
- - Yellowstone's Giantess, for one
- - It erupts from time to time
- - Natural hot jet of water
- - Spring when fellow overheard?
- - a type of hot spring
- - Spouting hot spring
- - geothermal vent
- - Water heater, nasty grey, seen around Home Counties
- - located in yellowstone national park, what is old faithful?
- - Fountain, hot spring
- - Something steamy bloke reported
- - Hot water shooter
- - Cagey Serb locked in cab one hot spring
- - hot spring that ejects water
- - Natural steam source at Yellowstone National Park
- - Spring in Guernsey's awful when sun about to disappear
- - Hot spot in Iceland
- - Spring greens go mushy without nitrogen, Yankee admitted
- - Overheard old man that regularly lets off steam?
- - Water spout
- - Spring that discharges hot water
- - it provides hot water, naturally
- - hot water spring
- - Gas-fired water heater
- - Steam fountain
- - Spring that discharges steam and hot water
- - Spring spouting steam and hot water
- - Spring discharging hot water and steam
- - Natural hot water fountain
- - Jumbo jet
- - Fountain.
- - Hot spring
- - Yellowstone sight
- - Natural hot spring
- - Jet fellow mentioned
- - Geothermal energy source
- - Yellowstone attraction
- - Yellowstone's Steamboat, e.g
- - It makes hot water muddy grey around London area
- - Possible source of steam bloke heard
- - Bloke reportedly needs water spout
- - Yellowstone Park attraction
- - Volcanic eruption
- - Heard man is jet-skier?
- - One spouting bloke can be heard
- - Erupting hot spring
- - We hear old London type blows off steam
- - Report of bloke seeing natural water feature
- - Jet launcher
- - Water heater man heard
- - It blows off steam
- - Spring that spouts hot water
- - Geothermal spout
- - Hear strange bloke making water-heater
- - Old Faithful, e.g
- - Yellowstone's Lion, Steamboat or Castle
- - Natural water jet
- - One blowing off steam
- - Yellowstone spouter
- - Jet creator
- - Spouting spring
- - Jet spouter
- - Jet spewer
- - Natural steam source
- - Old Faithful, famously
- - Hot spot
- - Spewing hot spring
- - Yellowstone feature
- - Steam venter
- - Big spout
- - Geological wonder
- - Old Faithful, notably
- - Eruption source
- - Big shooter
- - Steam show
- - Yellowstone spewer
- - It regularly blows its top
- - Phenomenon at Yellowstone
- - Spring in Yellowstone Park
- - Sporadic spouter
- - Old Faithful is one
- - Natural spring
- - Phenomenon of Iceland.
- - "Old Faithful."
- - Phenomenon of Yellowstone.
- - Spectacle of Yellowstone.
- - See 41-Across
- - General turned eyes right on release of steam
- - Bloke reportedly needs water heater
- - Hot spouter
- - Fellow reportedly needs water heater
- - Old Faithful in Yellowstone National Park, eg
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