Complex sentence: None of the early letters about the purchase mention any residents on the Corda property when the government bought it; and no one lived there during the first 16 years after the U.S. government purchased the property (1921-37).
Split into simpler sentences: None of the early letters about the purchase mention residents on the property when the government bought it. More important, the record shows that no one lived there during the first 16 years after the U.S. government purchased the property (1921-37).