Blackburn Corporation Waterworks and Blackburn Rural District Council.
Proposed Dunsop Reservoir, and Bowland gathering grounds development; Footholme borehole; Brennand and Whitendale dam and reservoir sites; Mellor Water; abandoned colliery underground water supplies proposals for the Blackburn area; Daisy Green Reservoir; Blackburn Water Order.
Notebook, technical data including flow rate and gallons per hour, and water bacterial examination, re the Dunsop catchment area, plans, correspondence with National Coal Board and others, Morton reports, geological survey and specification, weekly reports, photographs (mostly Whitendale and Brennand valleys), notes, test data, etc.