Explains the natural history of the river basin beginning in the tundra of Rocky Mountain National Park and tracing the river eighty miles through several life zones before joining the South Platte just east of Greeley. This title tells about the balances in nature and the impact of human intrusion.
- Limba : Engleza
- Data Publicarii : 01 Jan 1993
- Format : Paperback
- Numar pagini : 260
- ISBN : 9780870813016