Helium discovered in Minnesota as US supplies dwindle
A Canadian-based company discovered a potential helium reservoir deep beneath Minnesota's Iron Range last month as U.S. supplies of the gas fall.
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As helium prices balloon, hopes rise that northeast Minnesota has big deposit of the gas
A Pulsar Helium drill site as seen Jan. 13 near Babbitt, Minn. Canada-based Pulsar Helium has discovered extremely high concentrations of helium in tests of underground deposits. Helium is best ...