Discusses types of plane surveys, including property surveys and cadastral surveys. Briefly sketches the history of the rectangular survey system in the United States and describes how the rectangular system works. ...
While relatively healthy, forests in western Oregon face threats from climate stress, insects and disease. Here's a look at forest management strategies to cope with those threats and keep the state's forests healthy.
Forage quality of common pasture weeds was determined through laboratory testing to compare feed value of weeds to desirable forage species and nutrient requirements for grazing livestock.
Shelby Filley, Andy Hulting, Amy Peters |
May 2010 |
Article
Q: I have what I believe is a Kirk Walnut in my yard. It has a large hollow that is gathering water. I'm worried that this watery situation will rot the heart of the tree. I'd love to preserve this historic beauty. It ...