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Nonprofit · EIN 46-0422512

BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC

Tax-exempt · HILL CITY, SD 57745

Financials

$11K$13K2023$182K$14K2024$3K$14K2025
Revenue Expenses · by fiscal year end
Financials of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$2,800$14,003-$11,203$1,090,255$0$1,090,255
December 31, 2024990$181,677$14,199$167,478$1,101,458$0$1,101,458
December 31, 2023990$11,400$13,093-$1,693$933,980$0$933,980
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$2,800
Program service revenue
$0
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Accounting fees
$478
Occupancy
$7,876
Program services (functional)
$14,003

Balance sheet and other

Total assets, start of year
$1,101,458
Total assets, end of year
$1,090,255
Total liabilities, end of year
$0
Net assets, end of year
$1,090,255
Land, buildings and equipment
$106,507
Net assets without donor restrictions
$1,090,255
Gross receipts
$2,800
Employees
0
Year formed
1992
State of legal domicile
SD

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Rick VannessDirector
Trustee or director
0.5$0
Neal L LarsonTreasurer/Secretary
Officer
1$0
Greg BurgPresident
Officer
0.5$0
Kurt TriscoriVice President
Officer
0.5$0
990 for the year ended December 31, 2024: 5 people
NameTitleHours / weekCompensation
Rick VannessDirector
Trustee or director
0.5$0
Christine VannessTreasurer
Trustee or director
1$0
Neal L LarsonSecretary
Officer
1$0
Greg BurgPresident
Officer
0.5$0
Kurt TriscoriVice President
Officer
0.5$0
990 for the year ended December 31, 2023: 5 people
NameTitleHours / weekCompensation
Rick VannessDirector
Trustee or director
0.5$0
Christine VannessTreasurer
Trustee or director
1$0
Neal L LarsonSecretary
Officer
1$0
Greg BurgPresident
Officer
0.5$0
Kurt TriscoriVice President
Officer
0.5$0

Address and contacts

Address (IRS master file)
PO BOX 614, HILL CITY, SD 57745-0614
In care of
% NEAL L LARSON
Principal officer (990 for 2025)
Neal Larson, 12799 Wolframite Rd, Keystone, SD 57751
Signed the 990
Neal Larson, Officer
Return prepared by
EMH Consulting

Mission

To collect, conserve, curate, and display extraordinary geological and historic specimens that have the power to educate, enrich and excite people about the wonders of the natural world.

990 for the year ended December 31, 2025

Program accomplishments

  • The organization provided geological specimens for display to the general public. Insure specimens and work toward new faciity to display specimens.
    Expenses $14,003

What it must file and when

IRS records say it files Form 990-N (e-Postcard). Gross receipts normally $50,000 or less. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
46-0422512
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (170(b)(1)(A)(vi))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1992
Accounting year ends
December
Files
Form 990-N (e-Postcard)
Assets (IRS master file)
$1,090,255
Income (IRS master file)
$2,800

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$2,800$14,003$1,090,255XML
990December 2024$181,677$14,199$1,101,458XML
990December 2023$11,400$13,093$933,980XML
990December 2022$12,600$13,765$935,673IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 46-0422512).

Questions about BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC

What is the EIN of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC?
The employer identification number (EIN) of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC is 46-0422512.
Is BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1992.
Are donations to BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC file?
Form 990-N (e-Postcard). Gross receipts normally $50,000 or less.
When is the next return of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC?
The 990 for the year ended December 31, 2025 names Neal Larson.
Who are the officers and directors of BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC?
The 990 for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
How much revenue does BLACK HILLS MUSEUM OF NATURAL HISTORY FOUNDATION INC have?
On its 990 for the year ended December 31, 2025 it reported revenue of $2,800, expenses of $14,003 and total assets of $1,090,255 at year end.

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