Farmers and rivers have a close, though not always friendly, relationship with one another. Rivers can create prized farmland, but they also flood fields and the communities built alongside them. Farming practices may...

The Nationwide Rivers Inventory (NRI) is a listing of more than 3,400 free-flowing river segments in the United States that are believed to possess one or more "outstandingly remarkable" natural or cultural values judged...

This teaching activity illustrates how levees on the Mississippi River exacerbated flood damage in St. Louis during the Great Flood of l993. Students build a model of a river system and observe the results of flooding...

This exercise from SERC's Starting Point utilizes the national network of stream gage data provided by the USGS Water Resources Division as an online Geographic Information System (GIS). Students use real-time stream...

The entire contents of the Water Measurement Manual, provided by the US Bureau of Reclamation in collaboration with the US Department of Agriculture, is available. This web version is based on the third edition of the...