Minn. Stat. § 375.19: ADDITIONAL POWERS.

A county board may accept for its county real or personal property by gift, bequest, devise, conveyance, or otherwise from any person whose care, support, treatment, or maintenance, in whole or part, is or may be chargeable to or furnished or provided by the county, and hold or dispose of it for the benefit of the county, as in the case of other county property. It may permit use of county equipment for soil conservation projects and make annual expenditures from the general revenue fund for soil conservation purposes.