DRUG ABUSE Drug trade at Canon City Penitentiary is lucrative. Post S 17, 1973 p.3 Gov. Vanderhoof to ask Fort Carson medical officials for help in drug programs at Canon. City Penitentiary, RMN -S 29, ,197.3 ,p .8, 9 Cocaine smuggling rise noted in Denver area, Post 0 10, 1973 p,3,22 Denver police and federal Drug Enforcement Administration agents raid a chemical laboratory believed to be the largest producer of a type of drug in the U.S. Post Ja 18, 1974 p.29 RMN Ja X18, 1974 p.8