Firsthand Knowledge Law and Legal Definition Firsthand knowledge refers to something which the witness actually saw or heard, as distinguished from something he learned from some other person or source. It is also a knowledge that is gained USLegal Home
Kapuas River. Not to be confused with Kapuas River (Barito River). The Kapuas River (or Kapoeas River), is the longest river in Indonesia part of Borneo island, at the geographic center of Maritime Southeast Asia. At 1,143 kilometers (710 mi) in length, one of the world's longest island rivers.
Citarum River, Indonesia. The Citarum is the third longest river in Java, but it has been called the world's most polluted river â and for good reason. While the debris on top of the water is the most visible sign of a problem, what lies under the surface is the bigger problem.