/**** Start of imports. If edited, may not auto-convert in the playground. ****/
var reference = ee.FeatureCollection("projects/sat-io/open-datasets/LCMAP/LCMAP_CU_20200414_V01_REF");
/***** End of imports. If edited, may not auto-convert in the playground. *****/
print(reference.size())

var buff = function(ft) {
  var buffered = ft.buffer(1000)
  return buffered
};

Map.addLayer(reference.map(buff),{},'LCMAP reference')