I feel like I have done this before, so I am sorry if I have made a stupid
mistake, however, I am out of ideas.

I am trying to make a shapefile out of a list of polygons. I want to
include the a data frame as well, but I can't seem to create a
SpatialPolygons-Class longer than one object. The one object has all the
individual features when I map it, but it is only one object. Here is my
code:

     xx = Polygons(polyList, "FUBAR")
     spPolys = SpatialPolygons(list(xx))
     polyData = (The data frame I want to use)
     dfReturn = SpatialPolygonsDataFrame(spPolys, polyData, match.ID=F)

Any ideas? If I replace the polyData with data.frame(ID = 1) stupid thing
works!

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