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Featured Primary Source Sets

Curated collections of primary and secondary sources focused on a single topic to inform and engage teachers and students.

Union Depot, Duluth, Minnesota

Format Highlight: Cyanotypes

Learn about the history and significance of cyanotypes, an early photographic technique.

View in the dells of St. Croix River, Minnesota

Format Highlight: Stereographs

Learn about the history and significance of stereograph images, a common photographic format.

Ole Overvold with oxen and plow, Mayfield Township, Minnesota

Mechanization of Farming in Minnesota

Learn about the mechanization of farming in Minnesota and its impact on the state.

Flood Damage in 1951 in North Mankato, Minnesota

Natural Disasters in Minnesota

Learn how people survived and coped with some of Minnesota’s historic natural disasters such as storms, floods and wildfires.

The number 17.

MDL Launches New Project Year

MDL is accepting applications for new projects! View our Call for Proposals for details.

MDL logo.

New MDL Online Exhibits

These exhibits explore wide-ranging topics in Minnesota history and draw on a variety of digitized materials from our contributors across the state.