UTFGrid

UTFGrid parameters:
Center:     {"x": -135.0 ,"y": 40.05 }
Scale:     0.000000006761
View bounds:

•     Left bottom: {"x": -180.0 , "y":-4.95 }
•     Right top : { "x": -90.0 , "y":85.05}

•   Width: 256
•   Height: 256
•   PixcelCellCount: 8