The Railroad Revolution,1850s
{"Image DocumentName": "The Railroad Revolution,1850s", "Image ImageDescription": "1850 to 1860, RR proved most significant development toward national economy. Americans demanded transcontinental railroad to California. Completed by Faster, cheaper, more reliable than canals, defied terrain & weather. 1st RR in 1828; by 1860, 33,000 miles of track, most in North. Obstacles eventually overcome: Pullman sleeping palace produced in 1859.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}