he'd be in the boat, with a few pint Mason jars, some 2" rocks, and some Miner'slamp. He'd put a rock into a jar, dump in a measure of the carbide, dip the jar in the water, screw on the lid real quick, and drop it over the side. "Wummp". and some fish would usually float to the top, and Pop would gather them with a dipnet. Row the boat a little ways, repeat.