COLUMBIA HEIGHTS, MINN. — Baceline Investments LLC has acquired Central Plaza shopping center in Columbia Heights, five miles north of Minneapolis, for $7.2 million. The 82,478-square-foot shopping center is located at 725 45th Ave. NE. The property is currently 92 percent leased. Central Plaza Associates LLC was the seller. Denver-based Baceline is a private real estate investment and management company that focuses on acquiring and revitalizing neighborhood shopping centers.