Flow Line Map Definition

What I learnt in Geography this week..: Maps, Maps and a Few Steve’s Geomatics Blog: 2007 2008 U.S. Immigration Flow Lines Flow map Wikipedia Analyzing and evaluating the usability of linear visual Ch. 6: Output | Michael Schmandt GIS Software Geographic Information Systems GIS Mapping Software A Vagabond’s Maps: April 2012 Flow map Wikipedia MapViewerâ„¢ | Thematic mapping and spatial analysis software