Found this through article through RAICES which is a community service organization devoted to building community capacity in rural Latino communities in Iowa, Minnesota, Idaho, and Oregon. To read the article click on the History of Mexicans in Oregon link.
Nusz, Nancy and Gabriella Ricciardi, Our Ways: History and Culture. Oregon Historical Quarterly 104.1 (2003): 29 pars. 19 May 2009 <http://www.historycooperative.org/journals/ohq/104.1/nusz.html>.