Description: Records of the Myron Diefenbach 420 acre farm owned by A.L. & L.E. Beckman in Limestone Township (Kankakee County). Recorded on Illinois Farm Bureau Farm Management Service Farm Account Books (1950-1974), the records contain detailed information on farm operations for each including an inventory of land, improvements, buildings and livestock; livestock fees and sales; dairy and egg sales; machinery, equipment and automobile inventory and operating expenses; map of the farm and crop-system summary; crops raised and sold; inventory of feed, grain, and supplies; cash receipts and expenses including taxes and unpaid family labor, capital purchases and sales; products used on the farm and a financial business analysis summary. The series includes year end analysis reports (1950-56).