Disturbance and Forest Health in Oregon and WashingtonSally J. Campbell, L. H. Liegel, Martha H. Brookes · First published 2015Open the Tome
Washington's forest resources, 2002-2006Sally J. Campbell, Waddell, Karen L., Andrew N. Gray, David L. Azuma · First published 2010Open the Tome
California's forest resources, 2001-2005Glenn A. Christensen, Sally J. Campbell, Jeremy Steven Fried, David L. Azuma · First published 2008Open the Tome
Oregon's forest resources, 2001-2005Sally J. Campbell, David L. Azuma · First published 2008Open the Tome
