Some 32 years ago, as a callow sales youth, I was told to go "smoke-stack hunting" in New Jersey.
This was one of the crudest forms of prospecting ever, second only to taking photos of trucks on the highway and seeing which “prospect” had the biggest fleet. (We called that one "drive-by prospecting", BTW).
Smokestack hunting means you get to the highest physical location in the area (and anything over 300m is high in NJ), break out the binoculars and look for smokestacks (big chimneys) on the horizon.
Methodical ramblings after twenty-five years in Sales, Marketing and SalesOps.