The Passaic River flows about 80 miles from the Highlands of Morris County to the Newark Bay. The lower 17 miles are the most contaminated.

North America with its vast and varied topography ... Examining geological surveys and maps alongside these river courses reveals fascinating insights into their past and future flows.

Creeks, streams, and rivers provide a sense of place, a grounding at times, an identity for surrounding communities. They ...

An example is the Casiquiare River in South America. It runs between the Amazon and the Orinoco, two vast watersheds. It flows into the Rio Negro after branching off from the Orinoco. After ...