exif: {"Image ImageWidth": "3072", "Image ImageLength": "2048", "Image BitsPerSample": "[8, 8, 8]", "Image PhotometricInterpretation": "2", "Image ImageDescription": "Prehistoric granaries along the Colorado River above Nankoweap in Marble Canyon, Grand Canyon National Park. NPS photo by Mark Lellouch.\n\nThe oldest human artifacts found within the park are nearly 12,000 years old and date to the Paleo-Indian period. There has been continuous use and occupation of the park since that time.\n\nThe park has recorded over 4,300 archeological resources with an intensive survey of over 5% of the park area.\n\nThe park's Traditionally Associated Tribes and historic ethnic groups view management of archeological resources as preservation of their heritage.\n\nArcheological remains from the following culture groups are found in Grand Canyon National Park: Paleo-Indian, Archaic, Basketmaker, Ancestral Puebloan (Kayenta and Virgin branches), Cohonina, Cerbat, Pai, Southern Paiute, Zuni, Hopi, Navajo, and Euro-American.", "Image Make": "Canon", "Image Model": "Canon EOS DIGITAL REBEL", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "180", "Image YResolution": "180", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CS5 Windows", "Image DateTime": "2013:02:06 20:38:39", "Image Artist": "NPS photo by Mark Lellouch", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "1196", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "72", "Thumbnail YResolution": "72", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "2118", "Thumbnail JPEGInterchangeFormatLength": "8857", "EXIF ExposureTime": "1/160", "EXIF FNumber": "71/10", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0221", "EXIF DateTimeOriginal": "2004:08:24 12:08:04", "EXIF DateTimeDigitized": "2004:08:24 12:08:04", "EXIF ComponentsConfiguration": "YCbCr", "EXIF CompressedBitsPerPixel": "3", "EXIF ShutterSpeedValue": "239925/32768", "EXIF ApertureValue": "46331/8192", "EXIF ExposureBiasValue": "-1", "EXIF MaxApertureValue": "118447/32768", "EXIF SubjectDistance": "4294967295", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire", "EXIF FocalLength": "18", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3040", "EXIF ExifImageLength": "1980", "Interoperability InteroperabilityIndex": "R98", "Interoperability InteroperabilityVersion": "[48, 49, 48, 48]", "Interoperability RelatedImageWidth": "3072", "Interoperability RelatedImageLength": "2048", "EXIF InteroperabilityOffset": "1968", "EXIF FocalPlaneXResolution": "768000/223", "EXIF FocalPlaneYResolution": "409600/119", "EXIF FocalPlaneResolutionUnit": "2", "EXIF SensingMethod": "One-chip color area", "EXIF FileSource": "Digital Camera", "EXIF CustomRendered": "Normal", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF SceneCaptureType": "Standard"}