netcdf classic (CDF-1) {
dimensions:
	feature_id = 670 ;
	I-country_na = 24 ;
variables:
	int feature_id(feature_id) ;
		feature_id:gridtype = 0 ;
		feature_id:units = "unitless" ;
	byte country_na(feature_id, I-country_na) ;
		country_na:PGtype = "varchar" ;
		country_na:units = "ids" ;
// feature_id: first 1, last 251010, count 670
}