if (require(rgdal)) {
print(CRSargs(CRS("+proj=longlat +datum=NAD27")))
print(CRSargs(CRS("+init=epsg:4267")))
print(CRSargs(CRS("+init=epsg:26978")))
print(CRSargs(CRS("+proj=stere +lat_0=52.15616055555555 +lon_0=5.38763888888889 +k=0.999908 +x_0=155000 +y_0=463000 +ellps=bessel +units=m")))
print(CRSargs(CRS("+init=epsg:28992")))
}
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