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Visit an ecological treasure - Hanford Nuclear Reservation is the home to the largest undisturbed grassland in the country. And see how scientists keep tabs on the Cascade Mountains and issue warnings when snow melt and stream flow approach threatening levels.

Segments in this Episode

Oregon Field Guide

Hanford Environment

OPB | Feb. 1, 1996 7:30 p.m.

The Hanford Nuclear Reservation protects the largest undisturbed grassland in the country.

Oregon Field Guide

Conservation Service/Snowpack

OPB | Feb. 1, 1996 7:30 p.m.

Remotely-connected instrumentation allows scientists to monitor winter snow pack.

Oregon Field Guide

Forest Lookouts

OPB | Feb. 1, 1996 7:30 p.m.

Fire detection used to require lookout towers in lonely forests, but only a few are left.

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Oregon Field Guide, #2903

October 19, 8:30 p.m. [OPB TV]

All Season 7

Major Support Provided By: Dorothy D. Gage

Additional Support Provided By: the Coit Family Foundation, Fred and Clara Dolen Charitable Foundation, Kay Kitagawa and Andy Johnson-Laird, Christine and David Vernier, and the Greenfield/Hartline Habitat Conservation Fund of the Nature Conservancy.

Special thanks for support by: The Roundhouse Foundation, Jon and Nancy Decherd, Bonnie and Peter Reagan