Commissions & Committees

The State Advisory Committee on Historic Preservation (SACHP) is a nine-member, governor appointed body of citizens with expertise in fields relating to historic preservation. The SACHP reviews all proposed National Register nominations in Oregon.

Annual Meeting Schedule
The SACHP conducts three meetings a year at sites around Oregon. These meetings have a business session and often a tour of heritage sites and organizations in the region. All meetings and tours are free and open to the public.

Upcoming Meetings and Agendas
The next meeting of the SACHP will be held virtually on February 19-20, 2026. View the meeting agenda here​, and see copies of the nominations under consideration below.

• Register for ​Thursday, February 19th
  
• Register for Friday, February 20th
  

You may also submit written testimony to ORSHPO.NationalRegisterProgram@oprd.oregon.gov. Testimony received at least five business days before the scheduled meeting will be shared with the SACHP.

Nominations under consideration for the February 2026 meeting:

• ​​La Grande Carnegie Libra​ry, La Grande, Union County
• Banks Union High School, Banks, Washington County
• Oregon Casket Company Building, Portland, Multnomah County
• Ursula K. Le Guin House, Portland, Multnomah County​​

A list of Oregon properties recently listed in the National Register may be found here.

Staff

Caitlyn Abrahms, National Register Coordinator

Committee Members

Heidi Slaybaugh (Chair), Bend
Heidi Slaybaugh has wide-ranging experience in the field of architecture with an empaphis in historic preservation. She has worked on preservation projects ranging from the rehabilitation of Pasadena City Hall, in Pasadena, California to the adaptive reuse of a fire hall addition to the Wallowa County Historical Museum in Joseph, Oregon. She also developed the Historic Design Guidelines for the City of Enterprise, Oregon and the revised Preservation Code for Deschutes County and the City of Bend. Heidi served as the Chair of the Bend Landmarks Commission for 10 years and previously served on the Deschutes County Historical Landmarks Commission. With her vast knowledge and experience, Heidi meets the Secretary of the Interior’s Professional Qualifications Standards for Historic Preservation.

Stephen Mark, Crater Lake
Stephen R. Mark joined the National Park Service in 1988 as a historian and is based at Crater Lake National Park.  He also serves Oregon Caves National Monument and Preserve, but has also completed projects for John Day Fossil Beds National Monument, Lewis and Clark National and State Historical Parks, Yosemite National Park, and Lassen Volcanic National Park.  Steve contributes entries to the Oregon Encyclopedia, and has written books and articles about the Pacific Northwest, especially its public lands.  His work also includes historic preservation, both as a compliance specialist and researcher, specializing in linear resources and rustic architecture.

Jacqueline Cheung, The Dalles
Jacqueline Cheung is an archaeologist who has done excavations, site documentation and research on prehistoric and historic period sites across the Northwest. She has worked for private contractors, the Colville Confederated Tribes and for the National Park Service at Fort Vancouver National Historic Site, John Day Fossil Beds National Monument, Lava Beds National Monument, Mount Rainier National Park, and Crater Lake National Park. In recent years, she has worked on sites associated with the Oregon Chinese diaspora, helping with excavations and historic research. She has lived in The Dalles for 30 years, living in and renovating a historic house (which is on the National Register) and helping to renovate a historic Chinese merchandise store in what was once the city’s Chinatown.

Gregory Shine, Portland
Gregory P. Shine is a historian specializing in the American West, with a focus on Oregon's history. Over a 34+ year career in public service, Greg has contributed to the preservation and interpretation of historical resources through leadership roles with the Bureau of Land Management and the National Park Service. An experienced educator, he served for over a decade as adjunct faculty in Portland State University's History Department, teaching courses on digital media and the interpretation of historic sites. Greg's scholarship includes books, studies, technical reports, presentations, and digital media produced for federal agencies, as well as articles for Oregon newspapers and journals like the Oregon Historical Quarterly. His work reflects a deep commitment to preserving and sharing Oregon's history while incorporating the stories of people, places, and events often overlooked in traditional narratives.

Kassandra Rippee, Salem
Kassandra Rippee (Kassie) is a Tribal Liaison for the Oregon Department of Transportation where she serves as the primary organizational lead for all Tribal consultation for the Interstate Bridge Replacement Program. Prior to coming to ODOT, she served as the Tribal Historic Preservation Officer and Archaeologist for the Coquille Indian Tribe and worked as an archaeologist for a variety of cultural resources management firms on the East Coast. She holds a BA and MS in Anthropology with a specialization in Archaeology as well as an MLS in Indigenous People’s Law. Her approximately 20 years’ experience in cultural resources management includes archaeological site survey and protection, cultural resources compliance, repatriation, government to government consultation, collections management, and public education and outreach.

Matthew Diederich, Eugene
Matthew (Matt) Diederich is the Cultural Resource Manager for the Oregon Military Department (OMD), where he is responsible for the management of the agency’s historic properties. Matt has 25 years of experience in historic preservation and meets the Secretary of Interior’s qualifications for History and Archaeology and is an Oregon qualified archaeologist. In support of OMD’s mission Matt conducts historic property surveys at OMD’s installations. This includes inventory of resources, National Register of Historic Places eligibility determinations, and assessment of effects for OMD undertakings. Matt has received numerous awards for his work including the National Guard Bureau’s Environmental Award, the Department of Army’s Environmental Security Award, and the Oregon Meritorious Service Medal. Matt’s interests include industrial and historical archaeology and military history, but when surveying he is easily distracted by looking for birds.

Sarah Baker Munro, Portland
Sarah Munro majored in Anthropology and Art History at Pitzer College and received an MA in Folklore at the University of California Berkeley. An outgrowth of her master’s thesis on Basque-American folklore was completing a National Register of Historic Places nomination form for the pelota fronton in Jordan Valley. As an active member of the nonprofit Friends of Timberline, which was organized to assist in restoration and preservation of Timberline Lodge, she conducted interviews and research that led to several publications on the lodge. She also researched and wrote a Multiple Property Documentation form for PWA and WPA resources in the State of Oregon. Other writing projects included histories of Schwabe Williamson & Wyatt, Trinity Episcopal Cathedral, and the Junior League of Portland and numerous entries for the Oregon Encyclopedia. For six years, she was Executive Director of Newberg’s Hoover-Minthorn House Museum.