What did Ward Cleaver do for a living?

Sometimes a salt mine is not a salt mine

Some Leave it to Beaver fans mistakenly believe that Ward Cleaver (and his co-worker Fred Rutherford) worked each day at a salt mine. Wearing suits like they did each work day would mean they were executives at the salt mine, IF, they indeed, worked at a salt mine. However, the term “salt mine” was used by Fred Ru…