These three articles share info about the Gravelrama. This first one is dated August 23, 1974, from the Cincinnati Enquirer:
This second article was published two years later on September 19, 1976, in the Journal News:
The last article is from August 25, 1980, from the Cincinnati Enquirer:
Local event for me, almost a right of passage, event still going on now fifty years later https://gravelrama.com/gravelrama
“HILL OF A RACE”, nice play on words. A common practice of headline grabbing used in earlier times. Very clever.