caption: Railroads had an even greater impact on the transportation revolution.
exif: {"Image DocumentName": "Railroads had an even greater impact on the transportation revolution.", "Image ImageDescription": "In the early 1800s, inventors such as George Stephenson developed steam-powered locomotives. Locomotives could pull carriages along iron rails to places canals could not reach.", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}