Thomas R Zahn & Associates LLC 

651.221.9765  •  Preservation@tzahn.com

Historic Resource Surveys & Evaluatioins


•   Villa Maria Academy, Section 106 evaluation, Frontenac 

•   City of Ely reconnaissance survey of the commercial downtown

•   City of Waseca survey of three residential districts and downtown 

•   City of Mankato survey of selected sites for local designation

•   City of Litchfield survey of the downtown National Register district

•   City of Lanesboro (coordinated survey of the entire city)

•   Historic State Owned Buildings Survey & American Youth Hostel

    Reuse (survey of the State of Minnesota)

•   Minnesota Black History (survey of Minneapolis, Saint Paul, and

    Duluth for sites related to Black history)

•   Project Manager, Twin Cities SOS! (Save Outdoor Sculpture!)

     Survey sponsored by the National Museum of American Art,

     Smithsonian Institution, and the National Institute for the

     Conservation of Cultural Property Local coordinating agencies:  

     The Minneapolis Arts Commission and Public Art Saint Paul

     Project Manager, Minnesota SOS! Survey