The text and photographs contained within this website are the copyright of James Altland and Oregon State University. The copyright holders reserve the right to refuse permission of use, and to withdraw it.

Anyone wanting to use photos or text on this site for non-published educational purposes may do so without permission (for example, classroom presentations).

Anyone wanting to use photos or text on this site for re-publication in magazines, journals, CDs, websites, or any other publicly displayed or distributed formats must first ask permission. In most cases, permission is granted as long as proper credit is given.