Grand Prismatic Spring

Lower Falls, Grand Canyon
of the Yellowstone River

Grand Prismatic Spring

Castle Geyser erupting,
Heart Spring in foreground

Grand Prismatic Spring

Old Faithful Geyser

Buffalo in the Upper Geyser Basin

In Upper Geyser Basin
(name not recorded)

Buffalo in the Upper Geyser Basin

Grand Prismatic Spring

Clearing storm, near Gardiner,
north entrance to Yellowstone

Pausing between mouthfuls, grazing deer
seen from the road at sunset

Hot spring with fallen logs,
location not recorded

Great Fountain Geyser erupting

Square Spring, Upper Geyser Basin

Emerald Pool, Black Sand Basin

Dead trees on a hot spring,
location not recorded

Morning Glory Pool

Trees find it hard in the acidic
ground of Upper Geyser Basin

Fawn, spotted by the roadside

Pool at Mammoth Hot Springs,
Mount Everts behind

Fountain Paint Pots,
Lower Geyser Basin

An elk, seen grazing
by the roadside

Roadside elk (the same as in
the thumb above right)

Seen from the boardwalk
to Fountain Pots

Great Fountain Geyser, at sunset

Buffalo footprints by
Grand Prismatic Spring

Deer blocking the road

Buffalo footprints by
Grand Prismatic Spring

One corner of Grand Prismatic Spring

New Highland Spring,
near Mammoth Lakes

Emerald Pool, Black Sand Basin

Great Fountain Geyser, at sunset

Old Faithful Geyser

Trees devastated by the 1988 fire,
seen 12 years later

Buffalo by one of the geysers
in the Lion group

Pool at Mammoth Hot Spring

Black bear, oblivious to several
photographers ten metres away

One of the geysers in the Lion group,
Upper Geyser Basin

Cistern Spring, Norris Geyser Basin

Buffalo footprints by
Grand Prismatic Spring

Buffalo in the Upper Geyser Basin

Grotto Geyser, the arches being
formed from two fallen trees

A young elk grazing by the road
near sunset

Doublet Pool,
Upper Geyser Basin

Great Fountain Geyser erupting

Cistern Spring, Norris Geyser Basin

Clearing storm, near Gardiner,
north entrance to Yellowstone

An elk, seen grazing by the roadside

Lion Geyser, Upper Geyser Basin

A painter near Tower Fall
Campground

Grand Prismatic Spring

Buffalo in the
Upper Geyser Basin

Run-off water from a hot spring
near Fountain Pots

Veteran Geyser, Norris Geyser Basin

A car speeds by trees hit by
the 1988 fire