Members of Yellowstone FCU approved the credit union's merger with Cheyenne, Wyo.-based Meridian Trust FCU.

Yellowstone FCU has about $5 million in assets and 500 members, while Meridian Trust FCU has about $420 million in assets and 28,000 members. Yellowstone FCU's branch inside the boundaries of Yellowstone National Park will become a branch of Meridian Trust FCU and will be open to serve all members of the combined credit union.