Abstract Correspondence; interviews with Mackall's son and daughter-in-law, Henry C. and Margaret (Robertson) Mackall, of Minneapolis, Minn., relating to Mackall, the family business, B.F. Mackall Inc., and John L. Grandin, owner of Grandin Farms and family friend, of Warren, Pa., area (original home of Mrs. Mackall); scrapbook compiled by Marjorie Cruikshank, containing information concerning the estate of Jay Cooke, dredging on the Red River, and Red River Valley history; and newspaper clippings.

Abstract Materials relating to Grandin Farms, bonanza wheat farm in Cass and Traill counties, N.D., founded 1876 by Grandin brothers, John L. and W.J. Grandin (originally of Tidoute, Pa.), stockholders of Northern Pacific Railroad, who came to North Dakota to claim railroad land.