This category is within the scope of WikiProject Architecture, a collaborative effort to improve the coverage of Architecture on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.ArchitectureWikipedia:WikiProject ArchitectureTemplate:WikiProject ArchitectureArchitecture articles
This category is within the scope of WikiProject Civil engineering, a collaborative effort to improve the coverage of Civil engineering on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Civil engineeringWikipedia:WikiProject Civil engineeringTemplate:WikiProject Civil engineeringCE articles
This category is within the scope of WikiProject Oregon, a collaborative effort to improve the coverage of the U.S. state of Oregon on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.OregonWikipedia:WikiProject OregonTemplate:WikiProject OregonOregon articles
This category is within the scope of WikiProject Cities, a collaborative effort to improve the coverage of cities, towns and various other settlements on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.CitiesWikipedia:WikiProject CitiesTemplate:WikiProject CitiesWikiProject Cities articles
Start a discussion about improving the Category:Buildings and structures in Oregon City, Oregon page