Large-scale, detailed, black & white maps of 177 Oregon towns and cities, as well as municipalities in California, Washington, and Idaho
Originally created for fire insurance purposes, Sanborn maps have become a valuable tool for studying the history, growth, and development of cities, towns, and neighborhoods. Users can pan and zoom as well as download PDF versions of each sheet. The MAP Library also has paper versions of many of these maps.
City Directories - Ask in Special Collections & Archives to view these annual books that list the locations of businesses. These are very useful, if you need to find out where an organization used to be located.