Rosin bags are still on the back slope of every major league pitchers mound.
No
Pitchers mound
to legally play only one person can be on the pitchers mound while the game is in play
The diameter of an MLB pitcher's mound is 18 feet.
YES
Measure from the front edge of the pitching rubber to the back tip of home plate.
second
60'6"
Yes.
More than likely a pitcher's mound is removed by smoothing the dirt out with a bulldozer.
The mound allows pitchers a much better chance of pitching within the strike zone.