Papers of the Forbes Adam/Thompson/Lawley (Barons Wenlock) Family of Escrick > Fifth Deposit > Estate Correspondence and Subject Files > File. Scatched, Hopkins, Middlebrook & Brighouse (of Leeds): Cleansing of Beck between Hagg Bridge and River Derwent, and Wheldrake Ings (including 'Plan of Wheldrake Ings showing watercourses cleaned out by Owners').