Fiscal year ending 2022. Filed on June 1, 2023.
PO Box 67
Westminster, Maryland 21158
Mason Dixon Historical Society Inc. (EIN: 23-7309592) has filed an IRS Form 990 from fiscal year 2018–2022. In its fiscal year 2022 IRS Form 990 filing, Mason Dixon 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
Preservation of Antique Steam Equipment
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