Available Reports

The following are available reports relating to the GLO Historical Mapping Project. Click on the title of the report to download the file. 



Douglas County

Hickman, O.E. & J.A. Christy. 2014. Historical vegetation of the Tiller Area, Douglas County. Report to Douglas County Commissioners. 82 pp.

Rogue Valley, Lower Applegate, Upper Illinois Valley

Hickman, O.E. & J.A. Christy. 2011. Historical vegetation of central southwest Oregon, based on GLO survey notes. Final report to USDI Bureau of Land Management. Medford District, Oregon. 124 pp.

Willamette Valley and Columbia River Floodplain

Christy, J.A. & E.R. Alverson. 2011. Historical vegetation of the Willamette Valley, Oregon, circa 1850. Northwest Science 85: 93-107.