In the merger of "The Lehigh Coal Mining Company" and the "Lehigh Navigation Company", both of which operated in the Lehigh Valley area of Pennsylvania between 1818-1822, the lease on the land rights of the Lehigh Coal Mine Company was ended with a subsidiary acquisition purchase by stock swap &mdash; and these lands once owned were used to open up the whole Northeastern Pennsylvania 19th century frontier area (Tamaqua, Coaldale), Lansford, Summit Hill, Nesquehoning, and Jim Thorpe, Pennsylvania&mdash;among other company towns outside the 14 miles long strip Approximate from USGS topo map, Jim Thorpe to West Tamaqua.