Survey reports for Rock Colliery,
- P6/1/57.
- Ffeil
- 1937.
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Fusion Point of Coal Ash report for the seam below Peacock Seam.
Survey reports for Rock Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Fusion Point of Coal Ash report for the seam below Peacock Seam.
Survey reports for Risca Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 26/5. Examination of the Five Feet Seam.
Survey reports for Raglan area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 38. Examination of the No. 3 Rhondda and Lantern seams.
Survey reports for Porth area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 7. Examination of the Nine Feet and Billy Smalls seams in Cymmer Colliery and in the Hafod group of collieries. Also reports of screening analysis and ash contents of the small coal from various seams and districts in the Porth area.
Survey reports for Pochin area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 19. Examination of the Upper and Lower Rhas Las seams.
Survey reports for Pentre areas,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 10. Examination of the Nine Feet Seam.
Survey reports for Penrhiwceiber area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 6. Examination of the Nine Feet Seam; Fusion Point of Coal Ash report.
Survey reports for Penallta Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 86. Examination of the Red Vein, Rhas Las, and Seven Feet seams.
Survey reports for Onllwyn Collieries,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 79, 81. Examination of the Nine Feet and Bluers seams. Also a summary of samples taken at other collieries of the Messrs Evans and Bevan.
Survey reports for Ogmore Vale area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 15. Examination of the Nine Feet Seam at Wyndham Colliery; Fusion Point of Coal Ash report.
Survey reports for Ogilvie Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 46. Examination of the Rhas Las and Red Vein seams; Fusion Point of Coal Ash reports.
Survey reports for Oakdale Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 21. Examination of the Rhas Las, Meadow Vein, Big Vein, Old Coal, and Yard Coal seams; Fusion Point of Coal Ash reports.
Survey reports for North Celynen Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 29. Examination of Black Vein seam; Fusion Point of Coal Ash report.
Survey reports for Nine Mile Point Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 23. Examination of Black Vein, Big Vein, Five Feet, Lower Black Vein, and Rock Vein seams; Fusion Point of Coal Ash reports.
Survey reports for Merthyr area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 3 and 4. Examination of the Nine Feet Seam; Fusion Point of Coal Ash reports.
Survey reports for Markham area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 20. Examination of the Meadow Vein, Upper Rhas Las and Lower Rhas Las seams; Fusion Point of Coal Ash report.
Survey reports for Marine Colliery, Cwm,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 25. Examination of the Upper and Lower Black Veins.
Survey reports for Llanhilleth Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 33. Examination of the Black Vein and Tillery Vein seams.
Survey reports for Llanharan Colliery,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 16. Examination of the No. 1 and No. 4 seams; Fusion Point of Coal Ash reports.
Survey reports for Llanerch area,
Rhan oMonmouthshire and South Wales Coal Owners Association Records,
Samples 32. Examinatin of the Big Vein and Three Quarter seams.