An ounce is a unit of weight which is approximately equal to 28  grams. One gallon is equal to 128 ounces so there are 640 ounces in  5 gallons of water.
The first U.S. railroad to use a steam locomotive in revenue service was the South Carolina Railroad. It opened on Christmas Day 1830 using the Best Friend of Charleston steam locomotive on six miles of track in Charleston, South Carolina.
Connecting the country was challenging. The first American railroad to carry passengers and freight was the Baltimore and Ohio, chartered in Maryland in 1827. At midcentury, the federal government began granting land to certain railroads in exchange for reduced carriage charges for government use.By 1853, one could ride by rail from New York to Chicago.onnecting the country was challenging. The first American railroad to carry passengers and freight was the Baltimore and Ohio, chartered in Maryland in 1827. At midcentury, the federal government began granting land to certain railroads in exchange for reduced carriage charges for government use.