Scope and Content The collection (1910-1972) contains legal documents, correspondence, maps and printed matter. Much of the collection deals with farm foreclosures during the Great Depression and complicated legal matters arising from drainage problems in Woodbury, Harrison, and Monona Counties in Iowa. As background to the drainage cases, it should be noted that the problems of flooding and drainage in the Little Sioux River Valley go back many years. The Monona-Harrison Drainage...

Scope and Content The collection (1936-1984, undated) includes conservation plans, correspondence, project reports, policies and procedures, budget and financial information, damage reports, design criteria, work and design plans, criteria for watershed treatment, treatment plans, legal documents, meeting minutes, photographs, reports and various data and statistics gathered on the watershed and its subwatersheds. The collection does not contain the personal papers of Tonsfeldt, but consists of materials...