20251112 10044200 1.0 TRUE CreateMosaicDataset \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\USACE_Columbia_Gorge_1939.gdb USACE_Columbia_Gorge_1939 PROJCS["NAD_1983_2011_Oregon_Statewide_Lambert_Ft_Intl",GEOGCS["GCS_NAD_1983_2011",DATUM["D_NAD_1983_2011",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",1312335.958005249],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-120.5],PARAMETER["Standard_Parallel_1",43.0],PARAMETER["Standard_Parallel_2",45.5],PARAMETER["Latitude_Of_Origin",41.75],UNIT["Foot",0.3048]] # # NONE # AddRastersToMosaicDataset \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\USACE_Columbia_Gorge_1939.gdb\USACE_Columbia_Gorge_1939 "Raster Dataset" \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\Tiles UPDATE_CELL_SIZES UPDATE_BOUNDARY NO_OVERVIEWS # 0 1500 # # SUBFOLDERS ALLOW_DUPLICATES NO_PYRAMIDS NO_STATISTICS NO_THUMBNAILS # NO_FORCE_SPATIAL_REFERENCE NO_STATISTICS # NO_PIXEL_CACHE C:\Users\Brady.Callahan\AppData\Local\ESRI\rasterproxies\USACE_Columbia_Gorge_1939 CalculateStatistics \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\USACE_Columbia_Gorge_1939.gdb\USACE_Columbia_Gorge_1939 10 10 # OVERWRITE "Feature Set" Rename \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\USACE_Columbia_Gorge_1939.gdb\USACE_Columbia_Gorge_1939 \\gisdev1.oprd.oregon.gov\Vat\GISshare\Aerial_Imagery\AP_Historical\USACE_1930\Projects\Columbia_Gorge_1939\Orthos\USACE_Columbia_Gorge_1939.gdb\USACE_ColumbiaGorge_1939 MosaicDataset This data consists of 1ft GSD georeferenced orthophotos of a 100 mile long portion of the Columbia River between Portland and the Deschutes River, Oregon created from aerial photographs collected in 1939 by the U.S. Army Corps of Engineers. Original photographic nitrate negatives belonging to OPRD were scanned by David C. Smith & Associates of Portland Oregon and orthorectified by OPRD. Horizontal accuracy is approximately 5ft. USACE_ColumbiaGorge_1939