Ancient Monuments

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Dorothea Quarry, Pyramids, Inclines, Mill & Winding Houses, etc

A Scheduled Monument in Llanllyfni, Gwynedd

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Entry Name: Dorothea Quarry, Pyramids, Inclines, Mill & Winding Houses, etc

Scheduled Date: 25 May 2022

Source: Cadw

Source ID: 3322

Cadw Legacy ID: CN199

Schedule Class: Industrial

Category: Engine house

Period: Post Medieval/Modern

County: Gwynedd

Community: Llanllyfni

Traditional County: Caernarfonshire

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