Explorations and surveys for a rail road route from the Mississippi River to the Pacific Ocean 1855 map 2
{"Image ImageWidth": "7558", "Image ImageLength": "10100", "Image BitsPerSample": "[8, 8, 8]", "Image Compression": "LZW", "Image PhotometricInterpretation": "2", "Image Orientation": "Horizontal (normal)", "Image SamplesPerPixel": "3", "Image XResolution": "300", "Image YResolution": "300", "Image PlanarConfiguration": "1", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "Adobe Photoshop CC 2017 (Windows)", "Image DateTime": "2019:02:28 12:09:53", "Image ExifOffset": "260", "Thumbnail Compression": "JPEG (old-style)", "Thumbnail XResolution": "300", "Thumbnail YResolution": "300", "Thumbnail ResolutionUnit": "Pixels/Inch", "Thumbnail JPEGInterchangeFormat": "2470", "Thumbnail JPEGInterchangeFormatLength": "2703", "EXIF ColorSpace": "Uncalibrated", "EXIF ExifImageWidth": "7558", "EXIF ExifImageLength": "10100", "EXIF Padding": "[]"}