One example of is the fact that a lawsuit filed by california against nevada over river pollution goes directly before the supreme court.

original jurisdiction

Explanation:

               Original jurisdiction is the special power given to the Supreme court of United States where a case of certain matter can be directly brought up in the Supreme court.

               In other words, original jurisdiction is the power of the court to hear a case for the first time in the court unlike for the appellate jurisdiction which only has the power to review the jurisdiction of any subordinate court.

              In the context, a case file by California on the river pollution against Nevada which can be directly brought in the Supreme court is an example of the Original jurisdiction of the Supreme court.