Scope and Contents The H.W. Colwill Collection documents the business activity of the Creston Grain Elevator (1932-1977) and Leader Oil Company (l944-l967) in Creston, Illinois. Series 1 consists of materials related to the personal activities of H.W. Colwill during the years 1930-1977. Included are correspondences, tax records, estate settlement records and grain speculation records (e.g., files under Rice, Lamson, Schulenburg). Also included are catalogs and advertisements. Included in series two are...