Complex sentence: Hooper Bay Airport covers an area of 230 acres (93 ha) which contains one asphalt and gravel paved runway (13/31) measuring 3,300 x 75 ft. (1,006 x 23 m).
Split into simpler sentences: Hooper Bay Airport covers an area of 230 acres (93 ha). It has one runway (13/31) with an asphalt and gravel surface measuring 3,300 x 75 ft. (1,006 x 23 m).