Information sheets on the following collieries can be found within this file (please note that the amount of information on each sheet varies):
Farm Level No.1
Farmer's Level
Fedw Vach
Felin Fach
Felinfran
Ferndale (includes includes an extract from an article)
Fernhill
Ffaldau Pit (includes notes and an extract from an article)
Ffaldydre
Fforchaman (2 sheets)
Fforchwen
Ffos
Ffos Fach
Ffrwyd
Ffyndyndwm Level
Field Vein
Fireclay Levels
Fochriw
Forest Isaf
Forge Level
Forge Pit
Forge Slope
Four Feet
Freystrop
Frood