A distillation of fourteen years of detailed observations, in this surprisingly engaging almanac, Spencer records a natural history teeming with fish, water, vegetation, birds, mammals, insects, reptiles and amphibians, seasonal changes, and interesting events and stories.

A deeply human exploration of how our centuries-long dream of conquering and shaping this vast network of waterways squares with the reality of an indomitable natural world.

"Simple text and supportive images introduce beginning readers to the physical characteristics of rivers"--Provided by publisher.

Two mice investigate why the stream dried up after a big storm.

How rivers have shaped American politics, economics, and society from the beginnings of the Republic to today.America has more than 250,000 rivers, coursing over more than 3 million miles, connecting the disparate regions of the United States. On a map they can look like the veins, arteries, and capillaries of a continent-wide circulatory system, and in a way they are. Over the course of this nations history rivers have served as integral trade routes,...

A pioneering study of landform development under processes associated with running water, this text encompasses both field and laboratory research. Topics include the landscapes of mountains, rivers, and seacoasts; studies of weathering, climate, and erosion; and coverage of geochronology, drainage patterns, channel changes, and the evolution of hill slopes. 1964 edition.

"The Aquatic Ecosystems series explores how different bodies of water shape their environments and support the plants and animals that are reliant on them"--

This policy addresses the Water Quality Control Commission's methodology and rationale for developing water temperature criteria and standards for the protection of aquatic life in Colorado's surface waters. Colorado's temperature criteria are in the process of being revised and this policy records the incremental progress towards final criteria.

This report outlines an initial assessment of selected whitewater parks and courses that have been designed and installed in rivers across the State of Colorado. This effort has been undertaken to provide a convenient, useful description of the location, ownership, design, intended use and success to date for examples of this genre of public works which have become institutionalized recreation amenities and economic development catalysts for river...

Discusses what rivers are, their importance to humans and to the ecosystem, how humans are harming them, and what can be done to protect them.