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The Tillamook railroad is a short line run along some of the most beautiful scenery in Oregon, but it's also one of the most challenging to operate. The so-called "green plague" is spreading quickly, choking out other forms of plant life. And an investigation into boulder-sized rocks from as far away as Canada that litter the Willamette Valley.

Segments in this Episode

Oregon Field Guide

Tillamook Railroad

OPB | Feb. 1, 2002 7:30 p.m.

This short, but challenging line runs along some of the most beautiful scenery in Oregon.

Oregon Field Guide

No Ivy League

OPB | Feb. 1, 2002 7:30 p.m.

Meet a group of Portlanders who has declared war on English Ivy.

Oregon Field Guide

Missoula Floods Erratics

OPB | Feb. 1, 2002 7:30 p.m.

Rocks transported to the Willamette Valley by the Missoula Floods are called erratics.

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Oregon Field Guide, #2903

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

All Season 13

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