CLIPPED.CASE 003 · DIAMOND · 1872FR

A TRUE ARCHIVE MYSTERY

THE GREAT DIAMOND HOAX

A secret field, a spectacular yield, and controls that fail. Follow three episodes of real 1872 evidence to decide what the claimed diamond deposit can support.

AMERICAN WEST · 1872 · 12–15 MIN

  1. Audit the first expert report.
  2. Test the ground and the placement of the stones.
  3. Compare the failed repeat before publishing.

Free · no account · progress stays on this device. The interactive investigation requires JavaScript; this introduction and the source context remain readable without it.

Three members of Clarence King’s survey pose beside canvas tents and field equipment near Salt Lake City in 1868.
King’s 1868 Utah survey camp — context, not the 1872 diamond field · Timothy H. O’Sullivan, Clarence King’s survey camp near Salt Lake City, October 1868 (approx.). USGS Denver Photographic Library. Public domain.