The marker tells how far it is to some other gems of our National Park System.
{"Image Make": "Canon", "Image Model": "Canon EOS 5D Mark II", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2013:09:03 18:18:07", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "174", "EXIF ExposureTime": "1/25", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "125", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2013:08:12 03:51:24", "EXIF DateTimeDigitized": "2013:08:12 03:51:24", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ApertureValue": "21655/2428", "EXIF ExposureBiasValue": "0", "EXIF SubjectDistance": "68/25", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "24", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB"}