Above

Cardiff Collieries Ltd., 6 Bute Crescent, Cardiff

Llanbradach No.1

ditto No.2

ditto no.3

Llanbradach

ditto

ditto

Ed. Watkins

ditto

C Hughes

GL Watkins

T Price

JH Dole

Cory Bros & Co. Ltd., Corys Buildings, Cardiff

Bodringallt (temporily closed since 1936)

Ystrad

AD Thomas

WJ Bryant

Gelli, Steam

ditto

ditto

WD Gwyer

Nebo Level

dito

ditto

WJ Bryant

Tydraw

Treherbert

DS Evans

TJ Davues

Davies Bros. 36 Alexandra Place, Sirhowey, Monmouth

Southend

Pomtlottyn

Dowlais Collieries Ltd. Head Office, Port Talbot

Bedlinog Cross Measures Drift

Nantyffin Drift

Bedlinog

Nantyffin Cwnbargoed

RT Jones

ditto

TTA Morgan

ditto

Edmunds Bros, pantyffynon House, Trelewis, Nr. Treharris

Pontgarreg Drift

Deri

Fernhill Collieires Ltd., Merthyr House, James St., Cardiff

Fernhill No.1

ditto No.2

ditto No.3

ditto No.4

Treherbert

ditto

ditto

ditto

WJ Oliver

ditto

ditto

ditto

DJ Hughes

HJ James

John Davies

ditto

Glenavon Garw Collieres Ltd., Treorchy

Glenrhondda Nos 1&2 Shaft

Blaencwm

A Morgan

ditto No.2 Level

ditto

ditto

Thomas Griffiths, Whithill House, Penrhiwfer, Willliamstown, Penycraig (Rhondda)

Cuckoo Level

Penrhiwfer

Closed for duration of the war

Thomas Lewis, Wern Coed, Cefn-coed, Merthyr Tydfil

Bute Level

Merthyr

Gwilwym Llewellyn, Ffynona Duon, Pentwyn, Fochiw, Bargoed

Ffynona Duon Level

Fochiw

JHG Mitchell, Greenmeadow, Machen, Newport, Mon.

Penywaun (Level)

Rudry

Discontinued 1944

Nantyfedw Colliery Co Ltd., Abercynon Rd., Abercynon

Nantyfedw

Abercynon

D Thomas

New Rockwood Colliery Ltd., Taffs Well, Cardiff

New Rockwood

ditto No.2

Taffs Well

ditto

Wd Evans

ditto

W Greedy

ditto

Ocean & Unired National Collieries Ltd., Treorchy, Rhondda

Bute

Gorllwyn Level

Lady Margartet

Treherbert

ditto

ditto

EW Pomeroy

ditto

ditto

No coal raised in 1945

Dare

Treorchy

ditto

DR Morgan

Deep Navigation

Treharris

CA Hurlow

S Morgan

O Powell

GJ Jones

Eastern

Ton Pentre

BR Phillips

Included in Maindy

Lady Windsor

Ynysybwl

TH Harding

JL Morgan

IR Morgan

Maindy

Ystrad

BR Phillips

ditto (Level)

ditto

ditto

National No.2

ditto No.2

Ynishir No.2

ditto No.2

Wattstown

ditto

ditto

WR Bundy

ditto

ditto

ditto

AR Fox

WJ Stevens

Park No.2

ditto No.2

ditto Sinking Pit

Treorchy

ditto

ditto

WC Carpeter

ditto

ditto

WR Elson

DJ Williams

Mrs JD Phillips, The Hollies, Llantwit Fardre, Pontypridd

Pentwyn Level

Tonypandy

Powell Duffryn Ltd., Ystrad, Mynach, Hengoed

Aberaman & Abercwnboi

Aberdare

TJ Hughes

AG Perry

Aberaman Clay (Level) (temporily closed 3/38)

ditto

ditto

ditto

Abergorki

Mountain Ash

RV Philips

A Thomas

Albion

Pontypridd

R Griffiths

A Evans

Anthony

Pandy

Penygraig

ditto

GA Allen

ditto

E Rochards

ditto

Bertie

Trefor

Hafod

ditto

Richd. Rochards

ditto

Eddison Pugh

K Butcher

Blaenclydach Drift

Blaenclydach

T Williams

TAG Martin

Bwllfa Dare No.1

Aberdare

AJ Tennant

WJ Thomas

ditto No.2

ditto

ditto

ditto

ditto No.3

ditto

ditto

ditto

Bwllfa New Drift No.4

ditto

ditto

ditto

District of Bullfa Dare No.2

Cambrian Navigation No.1

ditto No.2

ditto No.3 (not worked since 1936)

ditto No.4

Clydach Vale

ditto

ditto

ditto

AJ Higgs

ditto

ditto

ditto

E George

DJ Haines

Castle (pumping)

Cethin(Ventilation)

Troedyrhiw

Abercanaid

JI Griffiths

ditto

H Johns

ditto

Ciley

Tonyrefail

H Nicholas

C Locke

Cwmaman

Fforchwen

Trewen

Aberdare

ditto

ditto

Closed since 1935

Cwm Cynbon

Mountain Ash

RC Morgan

SGC Hancock

Cwm Margaret

ditto Mildred

Maritime

Lantwit Fardre

ditto

ditto

DL Jones

ditto

HM Bradford

E Moore

G Woods

E Withy

Cwmneol

Cwmaman

JS Evans

R Davies

Deep Duffryn

Navigation

Mountain Ash

ditto

DE Haris

RV Phillips

T Jones

W Jones

Dowlais Cardiff

Abercynon

LD Rhydderch

Ben Davies

Ely (pumping only)

Penygraig

GA Allan

H Nicholas

Ferndale No.1

ditto No.5

Ferndale

dirro

S Thomas

ditto

AE Pardy

ditto

ditto No.6

ditto No.7

ditto No.8

ditto No.9

Tylorstown

ditto

ditto

ditto

TG Jones

ditto

ditto

ditto

Fforchaman

Cwmaman

VB Jones

DJ KIng

Gilfach (ventilation & Pumping shaft)

Bargoed

D Williams

IJ Tucker

Graig Nos.1&2

Merthyr Tydfil

JJ Griffiths

Included with S Duffryn No.1

Groresfaen

Bargoed

IG Thomas

E Maggs

Hafod No.1 (ventilating shaft)

Hafod

Richd. Richards

Lady Lewis (ventilating shaft)

Ynyshir

ditto

Llanharan N&S

Llanharan

HC Bisp

EJ Edwards

Llantrisant N & S & House Coal

Llantrisant

ditto

Llwynhelig slant (no coal raised since 1934)

Cwmdare

AJ Tennant

WJ Thomas

Llwynypia No.1

Llwynypia

T Morgan

Abandoned 8/45

ditto No.2

ditto

ditto

Abandoned 8/45

ditto No.4

ditto

ditto

Watercourse only

ditto No.6

ditto

ditto

Vemtilation shaft

Lower Duffrym

Mountain Ash

DE Harris

Not worked since 9/27

Mardy Nos 1&2

ditto Nos.3&4

Mardy

ditto

B Lloyd Jones

ditto

Closed since 6/31

Merthyr Dare (Level)

ditto No.2

Merthyr Vale

ditto

TJ Davies

ditto

M Jones

V Lewis

Nantrodyn

Merthyr Tydfil

JI Griffiths

Temporarily closed since 8/37

New Drifts Nos.1&2

Hirwain

GB Barling

I Evans

Ogilvie

Deri

T Carthew

S Evans

JH Griffiths

Penallta No.1 Pit

ditto No.2 Pit

Hengoed

ditto

CH Davis

ditto

WH Knibbs

E Gurner

Penrikyber Nos.1,2&3

Penrhiwceiber

T Tipper

EJ Jones

J Moore

Pidwellt (Level)

Rhymney

DE Jenkins

E Jones

Rhigos (sinking)

Hirwain

GB Barling

I Evans

Incl with Tower Slant

Rhymney Merthyr No.2

Pontlottyn

DE Jenkins

TA Badham

River Level

Aberdare

JL Davies

Discontinued since 1940

South Duffryn No.1

ditto No.2

Merthyr Tydfil

ditto

JI Griffiths

ditto

Discontinued since 1940

H John

Taff Rhonda (Developing)

Nantgarw

Tir Herbert (Slant) & Coronation level

ditto

FC Beale

Tower (slant) 7 No.3 Drift

ditto

GB Barling

I Evans

Tymawr

Pontypridd

R Rutherford

DT Evans

Windsor

Abertridwr

PD Hamen

JH Jenkins

Ynysaio Nos.3&4

Treherbert

F Stacey

Pumping station

LO Richards 8 Williams Terrace, Twynrodyn, Merthyr Tydfil

Penydarren (Level)

Merthyr

LO Richards

EE&RJ Simons, Osborne House, Treharris

New Gelligaer (Level)

Nelson

South Wales Coalite Co. Ltd., Gawber, Nr. Barnsley, Yorks.

Werntarw (Drify)

ditto Hafod Seam

Werntarw Pit

Pencoed

ditto

ditto

DE Miles

ditto

ditto

EM Thomas

ditto

ditto

Taff Merthyr Steam Coal Co. Ltd., Ystrad Mynach, Hengoed

Bedlinog (pumping station)

Bedlinog

H Jarman

G Roberts

Taff Merthyr

Trelewis

ditto

ditto

DP&DG Thomas, 3 Tyfica Rd., Pontypridd

Pwllgwaun

Pontypridd

T Davies

Thomas Merthyr Colliery Co. Ltd., Abercanaid, Merthyr Tydfil

Cwmglo Drift

Merthyr

D Jones

Lucy Thomas No.1

Abercanaid

Ventilation shaft

ditto No.4

ditto

J Davies

ditto No.5

Merthyr

D Jones

Trelewis Level Co. per TM Jenkins, Primrose Villa, Gelligaer

Trelewis Level

Nelson

Tyladu Colliery Co. Ltd., J&B Smith 50 High St., Merthyr Tydfil

Tyladu Level

Pontlottyn

Welsh Navigation Steam Coal Co. Ltd., Coedely Collieries, Tonyrefail

Coedely No.1

ditto No.2

Tonyrefail

ditto

WM Griffiths

ditto

O Morgan

ditto

Werfa Dare Colliery Co. Ltd., Werfa Dare Colliery, Aberdare

Werfa Dare (Level)

Abernat

WH JOnes