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: J4815.4

: Industrial and Maritime History

: photograph

: Photograph in album showing the motor barge Alwyn being trialled for sand suction dredging

: T. R. Brown & Sons Ltd.

: Holms Sand & Gravel Co. Ltd.

: Bristol, United Kingdom of Great Britain and Northern Ireland (UK) / England, Northern Europe, Europe

: Bristol, United Kingdom of Great Britain and Northern Ireland (UK) / England, Northern Europe, Europe

: c1920-1987

: c1920-1987