Creating output file that is 411P x 376L.
Processing /geodata/ned1/2016/topo/slope/.vrt [1/1] : 0Using internal nodata values (e.g. -3.4e+38) for image /geodata/ned1/2016/topo/slope/.vrt.
Copying nodata values from source /geodata/ned1/2016/topo/slope/.vrt to destination nm3389010763620170706/nm3389010763620170706_20170726_nbr6.usgs_lcc.tif_reveg/topo_slope.tif.
...10...20...30...40...50...60...70...80...90...100 - done.