Support Charity Navigator

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Mammoth Site of Hot Springs South Dakota Inc.

Mission

THE MISSION OF THE ORGANIZATION IS THE PRESERVATION, RESEARCH, AND INTERPRETATION OF THE MAMMOTH SITE OF HOT SPRINGS, SOUTH DAKOTA, AND DEVELOPMENT OF A BROAD UNDERSTANDING OF THE LATE ICE AGE RECORD ACROSS A GLOBAL FRAMEWORK.

HOT SPRINGS SD | EIN: 46-0337824

Profile managed by nonprofit | Is this your nonprofit?

501(c)(3) organization

1800 HIGHWAY 18 BYP,
HOT SPRINGS SD 57747-9604

https://WWW.MAMMOTHSITE.COM

605-745-6017

Mammoth Site of Hot Springs South Dakota Inc.

Mission

HOT SPRINGS SD | EIN: 46-0337824

Profile managed by nonprofit | Is this your nonprofit?

501(c)(3) organization

1800 HIGHWAY 18 BYP,
HOT SPRINGS SD 57747-9604

https://WWW.MAMMOTHSITE.COM

605-745-6017

Beacon Report

Great
Good
Needs Improvement
Poor
Incomplete
Additional Information

Website Reported on Tax Form:Yes

SCORE100%

Disclosing the charity’s website promotes transparency and provides access to the public.

Source: Public data from IRS Form 990. Fiscal Year 2025.

No Material Diversion of Assets:Yes

SCORE100%

Financial Statements:Yes

SCORE100%

Records Retention Policy:Yes

SCORE100%

Tax Form Disclosed on Website:No

SCORE0%

Accountability Panel
Score	Metric
100%	Website Reported on Tax Form:Yes Disclosing the charity’s website promotes transparency and provides access to the public. Source: Public data from IRS Form 990. Fiscal Year 2025.
100%	No Material Diversion of Assets:Yes
100%	Financial Statements:Yes
100%	Records Retention Policy:Yes
0%	Tax Form Disclosed on Website:No

Science behind the numbers

Nonprofit Resources

Nonprofit Resources

Mammoth Site of Hot Springs South Dakota Inc.

Mission

Mammoth Site of Hot Springs South Dakota Inc.

Mission

Beacon Report