Allison C. Diehl, MA

Diehl Research LLC, Tucson, AZ

Ms. Diehl has been conducting cultural resources research, fieldwork, and documentation in Arizona since 1995. Her reports and assessments receive concurrence from federal, state and local agencies.

Ms. Diehl previously worked in the City of Tucson Planning and Development Services Department and is familiar with local historic building codes and design review requirements. She has contributed to the National Register nominations for several Tucson districts and has done extensive research on Tucson's historical streetlights.


  • Archaeological consulting

  • Historical research

  • Historic home histories

  • Historical building documentation

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© 2020 Diehl Research LLC

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