1st ed. in early 1983, 56 copies published in Olympia, Washington. Blue cardstock covers, white guts.
2nd ed. in March, 1983. Blue noncardstock covers. 44 copies.
3rd ed. in October, 1983, published by Robert Stump in Hopewell, Virginia.
Included in the 1994 print-on-demand digest ed.
Morty and Arnie Wormwood make a cameo appearance on the last page.
All of us Boomers who grew up in Southwest Washington were told this story. Before the 1980 volcanic eruption, Mt. St. Helens was known locally as a sasquatch hotspot. It was famous for the "Ape Caves."
I have not really studied this tale very closely, but something about it doesn't ring very true. Still, it makes a great tale.