https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/CO_MesaCo_QL1_2016/TIFF/USGS_one_meter_x25y435_CO_MesaCo_QL1_2016.tif
https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/Projects/CO_MesaCo_QL1_2016/TIFF/USGS_one_meter_x25y434_CO_MesaCo_QL1_2016.tif