A guide to wildlife in Ohio from Ohio's DNR
National Weather Service River Conditions
USGS real-time Ohio stream data
An on-line CD about watersheds of the world
Ohio DNR's publications on stream management
Pictures of fish in Ohio's scenic rivers
A Glacial map of Ohio
A Geologic Map of Ohio
Groundwater resources in Ohio
The Missouri Botanical Garden has a nice site to explore ecosystems and biomes
An explanation of flow rate
A classroom activity that uses a stream table to demonstrate changes in flow rates
USGS free downloadable maps of Ohio
Ohio Division of Water drainage maps