Links? As I recall there were no assaults reported according to the NY State Police.
Aside from the fact that the end result left Max's farm an ecological disaster zone of trash, mud, clothing, and debris, ...
Mud? On a farm? I bet that started Global Warming!!! /s
Just because no reports were made to the NY State Police is not evidence that they didn't occur. It was atypical for young ladies of the day to report rapes due to the stigma associated with such attacks and the fact that trial lawyers typically blamed the attacks on the behavior of the victim herself.
For the hippy crowd, reporting a sexual assault to the "fuzz" would be akin to turning down the next hit of the drug du jour.
A friend of mine was working on that farm at the time and he said it was disgusting. People were screwing practically on the streets, drugs, filthy mess, etc. Thanks but no thanks.