Llun: 1
Taf Fechan Wooded slopes

Carboniferous Limestone Cliff and Heads of Valley Road Bridge Taf Fechan February 1976

Dyddiad: February 1976

Llun: 2
Taf Fechan Source above Neuadd Reservoir

Mineral flush with Juncus effusus. Sheep-scraped shelters. Taf Fechan.
Enw rhywogaeth Mary: Juncus effusus
Enw gwyddonol: Juncus effusus
Enw cyffredin: Soft-rush

Llun: 3
Neuadd Reservoirs. Upper Taf Fechan.

Upper Neuadd Reservoir from Upper Taf Fechan. August 1971.

Dyddiad: August 1971

Llun: 4
Taf Fechan Gorge, potholes CaCo3 solution. Collapsed cavern

Taf Fechan cutting down leaving potholes on walls. February 1976

Dyddiad: February 1976

Llun: 5
Taf Fechan Gorge, potholes CaCo3 solution. Collapsed cavern

Potholes, trout pool and fall. Taf Fechan Gorge reserve. February 1976

Dyddiad: February 1976