PROJCS["NAD83(2011) / UTM zone 18N",GEOGCS["NAD83(2011)",DATUM["NAD83_National_Spatial_Reference_System_2011",SPHEROID["GRS 1980",6378137,298.257222101,AUTHORITY["EPSG","7019"]],AUTHORITY["EPSG","1116"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","6318"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-75],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","6347"]] 3.8249400000000000e+05, 5.0000000000000000e-01, 0.0000000000000000e+00, 4.1950060000000000e+06, 0.0000000000000000e+00, -5.0000000000000000e-01 Gray ./392500e4185000n.tif 1 ./382500e4190000n.tif 1 ./382500e4192500n.tif 1 ./382500e4195000n.tif 1 ./385000e4182500n.tif 1 ./385000e4185000n.tif 1 ./385000e4187500n.tif 1 ./385000e4190000n.tif 1 ./385000e4192500n.tif 1 ./385000e4195000n.tif 1 ./387500e4182500n.tif 1 ./387500e4185000n.tif 1 ./387500e4187500n.tif 1 ./387500e4190000n.tif 1 ./387500e4192500n.tif 1 ./387500e4195000n.tif 1 ./390000e4185000n.tif 1 ./390000e4187500n.tif 1 ./390000e4190000n.tif 1 ./390000e4192500n.tif 1 2 4 8 16 32