...every conveyance of real property, on being duly acknowledged, shall be recorded, and that: "Every conveyance not so recorded Is void as against any subsequent purchaser In good faith and for a valuable consideration, his heirs or devisees of the same real property or any portion thereof, whose...

...advisable to put the deed to the United States on record. "By the law of Michigan an unrecorded deed is void as against any subsequent purchaser in good faith and for a valuable consideration of the same real estate, or any portion thereof, whose conveyance shall be first...