Instructions for jury-men on the Commission of Sewers shewing, 1. what they are to surveigh and view, 2. what to enquire and present, 3. how, delivered in a charge to 3 several juries at a session of Sewers holden at Spalding in the county of Lincoln : to which is added two other charges, the one concerning Lovell's works the other touching the river of Glean in the said county.