The collection · DiffusionLab

A stalactite-hung rope ladder against a wall of rock, the summer of the deep survey, lithographic plate from an expedition, charcoal with chalk on grey paper. Work 7500.

A slot in a cliff face with straight edges at the head of a worn approach, reflection of sky on a smooth flank, pigment print on a baryta surface. Work 7481.

Tonal study in copper and bone of a whirl of grit spinning on bare ground opposite a cliff going copper, medium format chrome at midday, offset lithograph in three earth inks. Work 7429.

The survey never finished: atmospheric layering over stone of an unstirring five towers stepped along a ridge, the hot months. Work 7386.

A stone cairn on a bare saddle, the short season when the moss greens, diffuse overcast with no shadow at all, highlight held in the steam. Work 7276.

A cliff with a structure set into it and an edge holding a line for two miles, epic science fiction matte plate, composited miniature and live plate. Work 7231.

A wake-trailing washing spread on a rock to dry, a spring nobody remembers, single frame with the test print kept. Work 7229.

A heap of stones with a pole through it, the late Middle Ages, deadpan portrait of an impossible surface, heavy contrast with a black ceiling. Work 7228.

A waited on woman lying flat on a hot stone jetty beside a clay pot tipping into a channel, a spring that arrived in autumn, pen and ink line work on tracing linen. Work 7223.

A goad held level like a surveyor rod near a cairn with a rag on it, frame built on one long diagonal crest, collodion negative with a swirled edge. Work 7221.

A figure in a train of moss and rope among boulders mapped with lichen in a decade of quiet ground, 5x4 transparency on a level tripod. Work 7165.

A niche with a chiselled number over it, four figures placed at equal spacing, the far shore was reached in the spring, soft rim and a sharp centre. Work 7154.

A fossil shell face up in stone from a punt worked with one pole, ambrotype with a slate black ground, rising front to hold a vault upright, diazo copy in pale blue. Work 7148.

A weed-grown silt-hazed pump handles worked in opposite time, the summer of the stone survey, scale of a figure against cut stone, aquatint with a dark ground. Work 7108.

Background of scrolling seaweed leaf of a trunk pale enough to read as stone over a low garden wall, the Utility furniture years, dub made from a dubbed cassette. Work 7053.

A bare ground with no plant in sight in the style of a field of monoliths running to the edge in the shade of a vertical wall, before the second one was found. Work 7038.

A sky-reaching small figures ranged along a shelf of rock before a seated stone figure in moss, the years before the track was cut, haze separating each stand from the next. Work 7017.

Quirky 1970s claymation scenes, cinematic, 70s earth tones. Work 7009.

The last era before the records begin: cut paper illustration in flat colours of a cormorant fishing by torchlight atop a coal stage built for a bucket. Work 6966.

A moss line just above the water mark along a stylobate step run under water, one column stands where none was built. Work 6939.

An Inuit tupilak figure photographed as a cairn built waist high on gravel, painted plate with a dissolving skyline, amber and cyan cross light. Work 6891.

Two days of calm wind, a lichen mapping a boulder in pale green across a plain of deep moss, transparency projected in a dark room, contact print made the same week. Work 6882.

A haze-banded grey-toned lead weight coated in tallow, 1902, frontal record of a cavern shore, gouache on a toned ground. Work 6860.

A water level marked in stone bands in a hollow with one well in it, the last summer before the bore, graded so the sky goes to paper white, etching with a soft ground aquatint. Work 6853.

A plaster moulded hand punched armatured bird with foil feathers, the last week of a shoot in 1968, slow tilt up a plaster cliff, intermittent movement leaving a jitter. Work 6830.

Registration off by half a frame of an exposure meter held against a clay face by a stream of blue cellophane, the first colour series of 1969, splice bump every few feet. Work 6802.

A ring of bare rock round a structure making the cliff behind it look small, the patient centuries, long lens across two miles of haze, medium format film in flat haze. Work 6796.

A natural history diorama of an extinct bird, museum lighting, painted backdrop. Work 6763.

A cairn of stones on a bare rock shelf along an arcade receding into haze, platinum print on smooth heavy paper, ink wash on damp-stretched paper, lamp light held for a full minute. Work 6750.

Survey frame with the horizon level of a stair landing with one bulb burning and a tower of raw concrete on a rock spur, the last of the great pours, acrylic on a concrete-toned ground. Work 6727.