Accounts: Sale of coal at the Berw Colliery

ACCOUNTS: Sale of coal at the Berw Colliery

Photocopies from the original manuscripts in National Library of Wales, Garreglwyd papers series 1, 1805 - 1806.

This coalfield is an outlier of Westphalian strata (Langsettian substage), about 5¾ miles long, under Malltreath Marsh, between Llangefni and the Cefni estuary. Of the seven seams present, two were greater than 78 inches thick. There is documentary evidence for coal mining in the Malltraeth Marshes from the mid fifteenth century onwards, with Tyddyn Mawr colliery considered to be a good surviving seventeenth century example. There have been five small collieries, plus as many as twenty pits, and mining ended in the early 1880s with the closure of Pont Marquis colliery. The Pentre Berw Colliery was opened around 1815 and worked mainly from shafts up to 130 yards deep.

Dim cyfyngiadau/ No Restrictions

Adnau preifat / Private deposit.

Os gwelwch yn dda archebwch y dogfenau gan ddefnyddio y rhif cyfeirnod amgen (lle ddarperidd) / Please order documents using the alternative reference number (where provided)

Mae copiau clawr caled o`r catalogau ar gael yn Archifau Ynys Môn ac yn y Gofrestr Cenedlaethol Archifau. Polisi Archifau Ynys Môn yw catalogio yn iaith y ddogfen./Hard copies of the catalogue are available at Archifau Ynys Môn / Anglesey Archives and the National Register of Archives. It is the policy of Archifau Ynys Môn / Anglesey Archives to catalogue in the language of the document.

Cyflwr da /Good condition

Compiled by Hayden Burns for Archifau Ynys Môn / Anglesey Archives

http://www.nmrs.org.uk/mines-map/wales/anglesey/

Mae'r holl gofnodiadau sy'n cydymffurfio â pholisi casglu Swyddfa Gofnodi Cyngor Sir Ynys Môn wedi eu cadw /All records which meet the collection policy of the Anglesey Archives have been retained.

Ni ddisgwylir croniadau/Accruals are not expected

National Library of Wales. Garreglwyd papers series 1 1805 + 1806