We have drawn the US CBSA using GeoJSON file object format are below.
we are using feature collection GeoJSON file
We need to plot a point on the same map using Lat & Long
{ "type" : "Feature", "id" : 1, "geometry" : { "type" : "Polygon", "coordinates" : [ [ [ 21038.931999996305, -347148.47239999846 ], [ 21067.167700000107, -361589.33720000088 ], [ 25860.751100003719, -361569.30449999869 ], [ 25932.684699997306, -380804.14290000126 ], [ 59172.009999997914, -380583.32730000094 ], [ 59412.965199999511, -409234.30240000039 ], [ 68863.511500000954, -412565.23699999973 ], [ 75187.005000002682, -407224.57030000165 ], [ 85939.053999997675, -390667.35099999979 ], [ 82706.929499998689, -390423.87269999832 ], [ 78405.293499998748, -383301.63360000029 ], [ 78735.090599998832, -370839.36899999902 ], [ 78577.670299999416, -351622.35370000079 ], [ 66107.525600001216, -351676.14589999989 ], [ 57576.599500000477, -350729.84769999981 ], [ 36958.452899999917, -357176.9103000015 ], [ 31452.845799997449, -347076.02879999951 ], [ 21038.931999996305, -347148.47239999846 ] ] ] }, "properties" : { "OBJECTID" : 1, "CSAFP" : "538", "cbsa" : 34780, "AFFGEOID" : "310M400US34780", "geoid" : "34780", "name" : "Muskogee, OK", "LSAD" : "M2", "ALAND" : 2098872174, "AWATER" : 76147852, "Shape_Length" : 246221.20869895405, "Shape_Area" : 2192330444.1722555 } },