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Earth Karst Diagram: Structures of Karst

This drawing shows surface streams, underground streams, caves, sinkholes and rock tunnels.

Click on the words in the picture to learn about the structures of karst

karst diagram


1) Where is pollution possibly coming from in this picture?

2) How does pollution move through the ground to get to the river or lake?

Source: Adapted from the USGS booklet Exploring Caves