Bigfoot · Prosperity, Pennsylvania · 1978
PA-1978ID case-a82a28f93bFirst-hand accountAdded to map Oct 7, 2026
- Creature
- Bigfoot
- When
- 1978to the year
- Where
- Prosperity, Pennsylvaniato town level
- Reports
- 1 document1 independent
The account
Witness reports hearing an earth-moving growl and seeing cattle behavior while their father investigated a creature fighting a dog in a nearby valley.
See the source ↓ one document so far, so there is no trail to follow yet
We map claims, not creatures: this is what the sources say, not proof. How a case is built
Details
- Creature
- Bigfoot
- Where
- Prosperity, Morris Township, Washington County, Pennsylvania, 15329, United States
mapped to town level · from the report's own words - When
- 1978
- Account
- First-hand (the witness telling it)
- Backed by
- 1 independent source
- Added to map
- Oct 7, 2026
- Case id
- case-a82a28f93b
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Source trail (1)
Every link goes to where we found the account. The earliest we found is marked; it is the earliest found, not necessarily the original.
- Audio recording of possible screams, growls, and fight with a dog from the Late 70's near Prosperity
BFRO · 2015-11-02
Earliest found, not necessarily the original.
Further reading
- Sasquatch: The Apes Among Us, John Green (1978)
Newspaper-publisher's file of Pacific Northwest reports.
Borrow on Internet Archive - Sasquatch, Don Hunter with Rene Dahinden (1975)
Casebook from a long-time field investigator.
Borrow on Internet Archive - On the Track of Bigfoot, Marian T. Place (1974)
1970s account of reports and searches.
Borrow on Internet Archive - Bigfoot! The True Story of Apes in America, Loren Coleman (2003)
Coleman's history and case survey.
Borrow on Internet Archive
Books we have not reproduced: borrow them free at archive.org. Listing a book is not an endorsement of its claims.