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.
The railroad was built between 1863 and 1869. Background. The first talk of a transcontinental railroad started around 1830. One of the first promoters of the railroad was a merchant named Asa Whitney. Asa tried hard for many years to get Congress to pass an act to build the railroad, but failed.