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- 32Archive Collections
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- 11913-1946Ref:GB 210 NLW ex 2101Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Owen Bob 1885-1962.Extent:1 ffolderLanguage:Welsh English Welsh; EnglishShow on map
- 21864 August -1896 DecemberRef:GB 222 BMSS CRTRLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Tramway Croesor.Extent:6 itemsLanguage:EnglishShow on map
- 31835 - 1916Ref:GB 222 BMSS GSQLocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Glynrhonwy Slate Quarry Llanberis.Extent:6 itemsLanguage:EnglishShow on map
- 41871 August -1878 AugustRef:GB 222 BMSS SLALocation:Archifdy Prifysgol Bangor / Bangor University ArchivesName of creator:Quarry Croesor Slate.Extent:3 itemsLanguage:EnglishShow on map
- 5[1854]-1879Ref:GB 219 XM/10633Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Vawdrey Benjamin Llewelyn.Extent:Information to be suppliedLanguage:EnglishShow on map
- 61840-1877Ref:GB 220 Z/DAWLocation:Gwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy MeirionnyddName of creator:Croesor United Slate Company Limited.Extent:Information to be suppliedLanguage:EnglishShow on map
- 71831-1972Ref:GB 220 Z/DAF; Z/M/1391Location:Gwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy MeirionnyddName of creator:Oakeley Slate Quarries Co Ltd.Extent:Information to be suppliedLanguage:EnglishShow on map
- 81877-1906Ref:GB 220 Z/M/614Location:Gwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy MeirionnyddName of creator:Braichgoch Slate Quarry Co Ltd.Extent:Not providedLanguage:EnglishShow on map
- 91856-1979Ref:GB 219 X/P.Y.O. ADDLocation:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Penyrorsedd Slate Quarry Co.Extent:Information to be suppliedLanguage:EnglishShow on map
- 101810-1933Ref:GB 219 XM/1457Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Garreg Fawr Slate and Mineral Co Ltd.Extent:(47 items)Language:EnglishShow on map
- 111924Ref:GB 590 SGWC 2/2/19Location:Sedgwick Museum of Earth Sciences, University of CambridgeExtent:1 volumeShow on map
- 121802-1906Ref:GB 220 Z/DKLocation:Gwynedd Archives Service - Meirionnydd Record Office / Gwasanaeth Archifau Gwynedd, Archifdy MeirionnyddName of creator:Blaenddol estate Llan Ffestiniog.Extent:To be suppliedLanguage:English WelshShow on map
- 13[19 cent., last ¼]Ref:GB 210 NLW MS 9152ELocation:National Library of Wales / Llyfrgell Genedlaethol CymruLanguage:WelshShow on map
- 141867-1891.Ref:GB 210 NLW MS 23057CLocation:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Owen John d 1886.Extent:180 ff. (originally partly foliated by openings 1-132 with error, 1-19) ; 240 x 190 mm. Half-leather and marbled paperLanguage:English EnglishShow on map
- 151857-1951Ref:GB 219 XM/6703, XS/3082Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:Richards Gordon H,Alexandra Slate Company Ltd.Extent:54 itemsLanguage:EnglishShow on map
- 161850-1988Ref:GB 219 XD/94Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:The Rev Stanley Williams and Dr Gwilym Arthur Jones.Extent:Not providedLanguage:English WelshShow on map
- 172002-2003 /Ref:GB 210 NLW ex 1583Location:National Library of Wales / Llyfrgell Genedlaethol CymruName of creator:Barrell Adrian.Extent:2 filesLanguage:EnglishShow on map
- 181983-1986Ref:GB 210 S/46Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:Folder (0.75 cm.)Show on map
- 191793-1862.Ref:GB 210 X1/21Location:National Library of Wales / Llyfrgell Genedlaethol CymruExtent:Envelope (3 items)Show on map
- 201852-1984 (accumulated??? )Ref:GB 219 XD/40Location:Gwynedd Archives Service - Caernarfon Record Office / Gwasanaeth Archifau Gwynedd, Archifdy CaernarfonName of creator:North Wales Quarrying Museum.Extent:Information to be suppliedLanguage:English WelshShow on map