The Johnson Tract is a privately owned parcel with a worker camp and airstrip, surrounded by the vast Lake Clark National Park. Contango Ore, the mining company developing the prospect, announced a merger this week with a Canadian firm. (Max Graham/Northern Journal)

A Fairbanks-based company with several Alaska mining projects, including two near Anchorage, could nearly double in size in a proposed merger with a Canadian firm. 

The deal, announced this week, would combine Contango…