Need to make a shapefile by tracing over a Google Earth image

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Basically, what I'm trying to do is create a very simple polygon shapefile of some new areas defined by boundaries specified by my company.

These boundaries don't match any known shapefile as it's a mapping of their infrastructure. They've given me a hardcopy scan of the boundaries traced over a google map.

What I need to do is create a simple shapefile from this, bring into R and match coordinates of another dataset to each specific polygon so I can run some analysis in R based per region.

What would be the quickest and easiest way to do this? Thanks!



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