Fiscal year ending 2021. Filed on June 24, 2023.
PO Box 65
Mammoth Lakes, California 93546
Southern Mono Historical Society Inc. (EIN: 77-0053500) has filed an IRS Form 990 since at least fiscal year 2016. In its fiscal year 2021 IRS Form 990 filing, Southern Mono Historical Society Inc., a 501(c)(3) charitable organization, reported compensation for 4 employees. Among the employees shown here, the average compensation is $0.
Revenue
Expenses
Employee compensation
HISTORICAL PRESERVATION AND EDUCATION
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