Columbia subject headings:
Harvard subject headings:
Drug abuse--Illinois--McHenry County.
Drug traffic--Illinois--McHenry County.
Suburban gangs--Illinois--McHenry County.
Youth--Drug use--Illinois--McHenry County.
Princeton subject headings:
Drug abuse--Illinois--McHenry County.
Drug traffic--Illinois--McHenry County.
Gangs--Illinois--McHenry County.
Suburban gangs--Illinois--McHenry County.
Youth--Drug use--Illinois--McHenry County.