Data update history
September 12, 2025
Posted financials
Added Form 990 for fiscal year 2024
August 18, 2024
Posted financials
Added Form 990 for fiscal year 2023
November 25, 2023
Posted financials
Added Form 990 for fiscal year 2021
July 21, 2023
Posted financials
Added Form 990 for fiscal year 2022
July 3, 2023
Updated personnel
Identified 2 new personnel
Nonprofit Types
Arts, culture, and humanities nonprofitsMuseumsCharities
Issues
Arts, cultural, and humanitiesHistory
Characteristics
MembershipsState / local levelEndowed supportTax deductible donationsNo full-time employees
General information
- Address
- PO Box 86
- Hagerman, ID 83332
- Metro area
- Twin Falls, ID
- County
- Gooding County, ID
- Phone
- (208) 837-6288
IRS details
- EIN
- 82-0367485
- Fiscal year end
- December
- Taxreturn type
- Form 990
- Year formed
- 1981
- Eligible to receive tax-deductible contributions (Pub 78)
- Yes
Categorization
- NTEE code, primary
- A80: Historical Societies, Historical Preservation
- NAICS code, primary
- 7121: Museums, Historical Sites, and Similar Institutions
- Parent/child status
- Independent
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