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Diego RipleySupplier name – McElhanney Ltd Camera type – Zeiss DMC 3 Focal Length - 92 mm Date of photo - April 6, 8 & 12, 2020 Raw pixel size – 7.5 cm Ground Sample Distance Ortho Pixel size - 7.5 cm DEM source – McElhanney database Map projection - UTM Reference datum – Nad’83 zone 10 CSRS Ground control source – ISA monuments Image format – from RGB TIFF with World Reference File to SID compressed mosaic