Complex sentence: Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos in 1961-67 and named by Advisory Committee on Antarctic Names (US-ACAN) for James P. Rivera, electronics technician at South Pole Station in 1967.
Split into simpler sentences: Mapped by United States Geological Survey (USGS) from surveys and U.S. Navy air photos, 1961-67. Named by Advisory Committee on Antarctic Names (US-ACAN) for James P. Rivera, electronics technician at South Pole Station in 1967.