UFO News Article: “AN UNKNOWN MENACE PUZZLES CATTLEMEN”

23 October 1977

(Boca Raton News, Florida)

The article (contains a map of U.S. documented cases/unverified reports) reports on Colorado cattle mutilation investigations:

https://news.google.com/newspapers?nid=1291&dat=19771023&id=qCdUAAAAIBAJ&sjid=B40DAAAAIBAJ&pg=3462,8027836

Animal mutilations in the United States and Canada 
from 1967 to 1993 (noufors.com) (noufors.com image)