Butterley Company correspondence on Lord Saville's lease of glebe lands in the parishes of Wellow, Kirton, Walesby, Boulton and Ollerton Comprising copies of draft agreement, 1918, report on findings of boreholes at Ollerton and Boughton, 31 Dec 1919, and memoranda of Ollerton agreements involving the Stanton Company and Lord Savile 1918-1921