Cwmgwili Colliery Roof Fall, 1971

Date7 September 1971
MineCwmgwili Colliery
RegionCarmarthenshire
Primary typeCollapse / Roof Fall
Associated typesEntrapment
Fatalities3 (John Handel Evans, 43 (left a widow and two children); David Edgar George, 30; Charles Henry Jones, 31 (both left widows).)
InjuriesNone recorded; two men in the heading, Ron Lewis and Jack Thomas, escaped uninjured.
Context During active mining

A sudden fall of roof in a heading being driven with a continuous miner buried three of the five men working there at Cwmgwili, then one of the Coal Board's most productive and profitable collieries. The other two escaped unhurt.

Cause

A sudden fall of roof in a 12-foot-high heading being worked with a Joy continuous miner.

Contributing factors

Unknown; the sources give no finding on why the roof failed.

What happened

Five men were working in a heading 12 feet high and 11 feet 6 inches wide, cutting with a Joy continuous miner in the thick seams, when a sudden fall occurred. Three were completely buried; Ron Lewis and Jack Thomas had what was described as a miraculous escape.

Rescue & recovery

Unknown.

Investigation & inquiry

Unknown; no inquest or inspector's report was found.

Legal & regulatory aftermath

None recorded.

Changes to practice & legislation

None recorded.

Memorials & commemoration

Unknown.

Recorded claims

Individual factual claims, each attached to the source(s) that support it below. Where sources disagree, both are kept.

Related terminology

Mining terms this disaster is structurally linked to, with the nature of the relationship.

Photographs & further reading

This page doesn't try to reproduce everything — these are the best original sources found for this disaster.

Welsh Coal Mines: fatalities 1971 (reference)

Account of the roof fall, with the names of the three men killed.

View source

Sources

  1. (secondary) Cwmgwili Colliery — Northern Mine Research Society (Ray Lawrence)
  2. (secondary) 1971 (Welsh mining fatalities by date) — Welsh Coal Mines

Record created: 16 September 2026 · Last researched: 16 September 2026

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