| umls-concept:C1552923 | skos:definition | NCI: An imperial unit of area equal the area of a square of one mile in length on each side. It is equal to 2.589988 square kilometers, 640 acres, or 3097600 square yards, or 1/36 of a township.,HL7V3.0: <p>1 [mi_us]2</p> | lld:umls |
