Lee Reynolds1:
Point of Ayr Colliery, Two Yard Seam
Lee Reynolds1:
Point of Ayr Colliery, All Seams Worked
Lee Reynolds1:
Point of Ayr Colliery, Durbog Seam
Lee Reynolds1:
2Point of Ayr Colliery, Five Yard Seam
Lee Reynolds1:
Point of Ayr Colliery, Hard 5 Seam
Lee Reynolds1:
Point of Ayr Colliery, Stone Seam
Lee Reynolds1:
Point of Ayr Colliery, Three Yard Seam
Lee Reynolds1:
Bersham Colliery, 2 Yard Seam
Lee Reynolds1:
Bersham Colliery, All Seams
Lee Reynolds1:
Bersham Colliery, Main Seam
Lee Reynolds1:
Bersham Colliery, Queen Seam
Lee Reynolds1:
Bersham Colliery, Ruabon Yard Seam
Lee Reynolds1:
Gresford Colliery Crank Seam
Lee Reynolds1:
Gresford Colliery - All seams worked
Lee Reynolds1:
Gresford Colliery - Main Seam Explosion
Lee Reynolds1:
Gresford Colliery Quaker Seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Red seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries All Seams
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Main seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Powell seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Top Yard Seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Two Yard seam
Lee Reynolds1:
Black Park, Ifton and Brynkinallt Collieries Quaker seam
Lee Reynolds1:
Llay Main Colliery workings in the Two Yard Seam
Lee Reynolds1:
Llay Main Colliery workings in the Ruabon Yard Seam
Lee Reynolds1:
Llay Main Colliery workings in the Quaker Seam
Lee Reynolds1:
Llay Main Colliery workings in the Main Seam
Lee Reynolds1:
Llay Main Colliery Workings in the Crown Seam
Lee Reynolds1:
Llay Main Colliery composite plan showing All Seams