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I wonder if they meant McMichael's, PA and misspelled it badly?
You're absolutely right! I just searched for the McMichaels post office on the Jim Forte's Postal History website and they offer this cover for sale -- written to and from the same family, too -- which, by the way, is apparently spelled "Kishpaugh" rather than what appears to "Kispaugh" in the originally posted cover:

It's rather amazing the original cover reached its intended recipient with all of those errors on it!
Another piece of trivia: The "M. Kishpaugh" of McMichaels, PA could very well have been Martin Kishpaugh, Postmaster of McMichaels in the 1890s (this entry suggests he was Postmaster in 1887, but other references list him as Postmaster through the early 1900s as well):
