https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/PA_Allentown_2016/TIFF/USGS_one_meter_x46y450_PA_Allentown_2016.tif
https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/PA_Allentown_2016/TIFF/USGS_one_meter_x46y449_PA_Allentown_2016.tif
https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/PA_Allentown_2016/TIFF/USGS_one_meter_x45y450_PA_Allentown_2016.tif
https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/PA_Allentown_2016/TIFF/USGS_one_meter_x45y449_PA_Allentown_2016.tif