This is a statistical map of coal production in the Donn Basin in 1921. The number of carts represents the amount of coal produced.
Saturday, July 24, 2010
Wind Rose
Parallel coordinate graph
Population Profile
DLG
Isopach
This is sonar imagery laid over isopach contours of sediment thickness. The isopach contour lines were derived using seismic interpretations.
http://http//woodshole.er.usgs.gov/operations/sfmapping/sonar_interp.htm
http://http//woodshole.er.usgs.gov/operations/sfmapping/sonar_interp.htm
Isopleth
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