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Washington County will add 33.5 acres to its Lake Elmo Park Reserve after the County Board approved the purchase recently. The transaction was initiated by the owners, and the county hopes to close the acquisition in September.

The $930,000 cost will be funded with voter-approved Clean Water, Land and Legacy money, but the Metropolitan Council will reimburse the Legacy fund for 75 percent of the cost, or $697,500.

The land, now mostly used for farming, is on the northeast corner of the intersection of 10th Street with the county park entrance.

The county also is exploring acquiring Tartan Park, a 483-acre private 3M recreation retreat beside the reserve that the company is selling.