Scope and Content From the Collection: This collection consists primarily of financial materials related to the operation of a coal mine and the sale of coal between the years of 1933 and 1940: banking, insurance, sales, regulatory, and tax information. Correspondence of various kinds, along with several ledgers and notebooks detailing income, expenses, and weight of shipments, constitute the bulk of the materials. Incoming correspondence in this collection includes materials from: the Department of the Interior's...