My, Your, Their Data SUCKS by Paul Ramsey, Ep 60
IgniteShow
Published
05/26/2010
Where is here? That place on a map is relative to a road line, which was digitized on a 5-years-ago satellite image, which was ground referenced to an existing road intersection, which was captured 35 years ago from an aerial photo, which was ground referenced to a control point, which was optically sighted relative to mountain-top control points,
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