Columbian is what I think of when people start talking about how strong cannabis is these days as an argument against legalization. In the 70s I also had Hawaiian, Acapulco gold, Thai stick, Oaxacan, black afghani hash oil, honey oil, Lebanese hashish, Black Hashish, etc... all very high strength. It's just that 90% of the cannabis available at the time was crap, especially with mexican or columbian being bailed wet and shipped full of seeds in large quantities into the states, so the average is way skewed IMO. Most of the time in my small town I could only get crap. I much prefer modern dispensary offerings verses smoking rope and seeds and mold to get a headache buzz.