Wikipedia
Land-Line
In the UK Land-Line is a comprehensive dataset, provided by Ordnance Survey, depicting man-made and natural features ranging from houses, factories, roads and rivers to marshland and administrative boundaries. Land-Line is a vector format (compare with DXF).
Land-Line has been superseded by MasterMap.
Usage examples of "land-line".
Fiber-optic land-lines carried a similar notice to the Navy's Extremely Low Frequency radio system located in Michigan's Upper Peninsula region.