1. It is theorized that water in the Snake River aquifer moves at a rate of approximately five to ten feet per day. Using the map provided, calculate how long it would take for water to travel from Craters of the Moon to Thousand Springs.

2. Given what you know about the geology of the Snake River Plain, explain why massive irrigation has been necessary to turn sagebrush desert into rich potato farmland.

3. Using your map of the Snake River Plain aquifer, predict possible contamination sources. Indicate both the geographical source and the nature of the contamination.

4. Describe the types of surface water present at Craters of the Moon.

5. What did the water resource study conducted in 1992 indicate about sources of water at the monument?