Hell, once I drove one of my dad's work trucks there because my 1964 Corvair had a flat. It had a case of dynamite and blasting caps in the bed.
The FFA boys had bottled oxygen, acetylene, propane, big ol' veterinary hypodermics, big ol' bottles of antibiotics, electric fence chargers and who knows what else.
That was normal in the early 1970's and nobody thought anything of it.
We always carried the dynamite in the cab. The caps rode in the back with the fertilizer.