University of Minnesota Extension2017-08-302017-08-301862https://hdl.handle.net/11299/189722This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enBeginningsState Agricultural Experiment Stations (SAES's)Cooperative Extension ServiceMorrill ActSmith-Lever ActHatch ActOther