Mysteries Department
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MYS0D4EC45R6CFX·The 1908 Tunguska event

Artifacts 15

Every copy this mystery rests on, each with its own key and its distance from the original.

Document2 steps from object
Microbarograph and seismograph records of 30 June 1908: document
F. J. W. Whipple · publisher
Document2 steps from object
Microbarograph and seismograph records of 30 June 1908: document
Ari Ben-Menahem · publisher
Document2 steps from object
Lake Cheko sediment cores: document
University of Bologna Tunguska team · free to use with credit to the site