Direct interview
Related account
BFRO #12302
Vocalization
in the mid-late 70s
Place not stated
2 witnesses
Same witness, another occasion.
This event is described inside another report — Yellowstone backcountry ranger describes sighting, other incidents. It is catalogued separately because it is a different occasion, not a duplicate.
Account
The witness and an outfitter heard a loud long-lasting sound filling a valley from about a mile away.
Summary drafted by AI from the source report and checked by code before I publish it. The witness's own words remain with the publisher — read the original report .
What was reported
Every kind of observation in the account. Select one to find other encounters with it.
Sounds
Facts & provenance
Each value names where it came from.
| Date |
in the mid-late 70s
|
|---|---|
| Place |
Place not stated
|
| Witnesses |
2
|
Source timeline
Every record this entry is built from, earliest known first. Records are versioned and never edited in place.
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BFRO report #12302 Primary