For more than 100 years, paper mills were the economic engine of northern New Hampshire, and by the 1970s there were four mills in a 25-mile radius in Coos County, a string of small towns with misty mountain views and moose-crossing road signs.

WSJ: Tissue Rolls to Mill's Rescue

Small cells would be much cheaper than large outside cells that typically cover a radius of 1 km. to 2 km.

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