One place I would look for info would be the Army Aviation center at Ft Rucker, AL. Lord knows the Army has lost many due to wire strikes. In California I know of at least two Hueys on seperate accidents where folks were lost. Biggest was in San Diego with a load of Law Enforcement into Power lines under NVG.
Sorry I dont know who exactly to refer you too, but its there somewhere.
Guess you saw this also