Treatment of Mine workings on A1 Scotswood-North Brunton and A1 Birtley-Coal House: Sarah Coverdale

Round-13 hunt: picked; source: weapons/military-history long-video search; channel screens (sellers/exam/re-upload/devotional/vendor/events), provenance check, vendor/seller/devotional recheck and quality tier C + tier-C depth check passed; strict per-title check + final strict pass; oEmbed verified.

A 58-minute video from The Mining Institute: “Treatment of Mine workings on A1 Scotswood-North Brunton and A1 Birtley-Coal House: Sarah Coverdale”.

Video by The Mining Institute, played through YouTube's embedded player.