Mary Gillham Archive Project:
Llanbradach quarry. Water cress beds by stream 1973
Mary Gillham Archive Project:
Llanbradach quarry in Rhymney valley 16.6.73
Mary Gillham Archive Project:
Luzula campestris Bryn y Garn 1984
Mary Gillham Archive Project:
Map of upper taff Vale
Mary Gillham Archive Project:
Map of lower Taff Vale
Mary Gillham Archive Project:
Diagram of Taff river system
Mary Gillham Archive Project:
Map of Uppeboat, Nantgarw, Graig yr Allt
Mary Gillham Archive Project:
Taff Vale project Rubbish clearance August 1971. Willowford, gedrys
Mary Gillham Archive Project:
Fish distribution in River Taff system
Mary Gillham Archive Project:
Map possible salmonoid spawning grounds River Taff 1983
Mary Gillham Archive Project:
Sewin size in River Taff most are around one foot long 1983
Mary Gillham Archive Project:
Invertebrate animals in Taff river system
Mary Gillham Archive Project:
seed fern, frond and stems of lepidodrendon and calamites
Mary Gillham Archive Project:
Taff Vale coal measures
Mary Gillham Archive Project:
Dichotomous leaf venation and spiral leaf insertion. Coal fossils, seed fern, club moss
Mary Gillham Archive Project:
Seed fern frond ?mariopteris. Taff Vale
Mary Gillham Archive Project:
Geological section - Merthyr, Rhondda, Vale (and Beacons) Taff Fechan north limestone outcrop
Mary Gillham Archive Project:
Geological section through North scarp Brecon Beacons
Mary Gillham Archive Project:
Geology. Terminal recessional moraines in South Wales
Mary Gillham Archive Project:
Types of coal mined in South Wales
Mary Gillham Archive Project:
Formation of coal growth and subsidence of swamp forests
Mary Gillham Archive Project:
Diagram. Formation of coal measures in seams
Mary Gillham Archive Project:
3 mining methods. Opencast, horizintal and vertical shafts
Mary Gillham Archive Project:
Pteridophytes. Diagram of relationships of groups
Mary Gillham Archive Project:
Calamites. Reconstruction of giant horestail
Mary Gillham Archive Project:
Calamites. Carboniferous equisetales, from pennant sandstone pith cast South wales November 1968
Mary Gillham Archive Project:
Short internodes in calamites 1971 Taff
Mary Gillham Archive Project:
Calamites node. In modern horsetails the ridges alternate. Pith cast in Pennant sandstone. 250 million years old. Upto 100foot high, Hollow stems. Mud cast of pith cavity No U.Bs
Mary Gillham Archive Project:
Calamites. 2 nodes and 1 branch scar (carboniferous)
Mary Gillham Archive Project:
Calamites. Selection of fossils. Taff Vale 1971
