"By 1980, journalist John Green had collected more than a thousand reports "concerning footprints of a suitable size and shape for the animal described. With such a volume of reports, even allowing for the fact that an unknown number of them are manipulated or mistaken, some validity must be assumed for those attributes and actions that are frequently described, and consideration should also be given to those that are not described at all." J. Green, "What is Sasquatch." In, M.M. Halpin and M.M. Ames, Editors, Manlike Monsters on Trial.  Vancouver, Canada, 1980. p.238.