IAD 2022: SHF, Lamb Spring, Douglas County + ERO Resources
- Oct 10, 2022
- 2 min read
Updated: Oct 12, 2022
Spotlight on IAD Exhibits:
Douglas County Historical Repository &
Douglas County Historic Preservation Board
With Brittany Cassell

The DCHR and DCHPB work hand in hand to preserve and educate people about the county’s historical and archaeological resources. They administer the Douglas County Landmarks, maintain a virtual museum, and provide a map for a Self-Driving Historic Tour. Brittany is the county’s first full time curator.
No stranger to IAD events, she has been a frequent exhibitor and we are thrilled to welcome her back. Ask her about her intriguing current projects ranging from post offices to ancient rock shelters.
Spotlight on Sponsor: ERO Resources

As we were closing the Expo last year, Jon Hedlund made an offer of “whatever you need for IAD 2022”. ERO Resources came through this year as a sponsor (as well as exhibitor spotlighted a few weeks ago).
ERO’s multidisciplinary project managers and staff of scientists have experience supporting clients in a wide range of environmental services. The ERO Charitable Foundation provides grants for humanitarian and environmental projects and to promote volunteerism to participate in those projects. We are proud to consider ERO Resources a major force for IAD’s continuity.
Behind the Scenes
Angel recently retired as the CPW/Roxborough State Park Volunteer & Interpretive Services Manager. She was recognized by DOVIA as Volunteer Manager of the year and won the State Archaeologist and Hart awards from History Colorado. Todd McMahon has been a great mentor and encourager, helping her make Roxborough the first State Park Curatorial Repository for its collection of artifacts, a beautiful visitor center exhibit, and top-notch training materials and programs. Angel now looks forward to traveling with her husband around the state in their new camper.
Angel Tobin (left) and Betsy Healey (right):
a decade of IAD Events

Betsy, a U of Iowa graduate, had a lengthy career as an IT project manager for technical oil & gas clients. She now volunteers as a state park naturalist and Lamb Spring docent. Betsy is an avid hiker, trained diversity advocate, voracious reader, and lover of any one-liner joke. She spends winters in Arizona doing glass arts and golfing with John (who has volunteered at every IAD event himself).
We are both grateful to the hundreds of volunteers, exhibitors, lecturers, committee members, sponsors, and visitors who have contributed time, money, and expertise to IAD. We look forward to seeing you there.











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