North America 's tallest peak is hundreds of feet shorter . Alaska 's lieutenant governor announced Wednesday that new mapping technology puts Mount McKinley at 20,237 feet rather than the 20,320 it was pegged at . ` The 11,000 height had stood since 1952 . Project will produce 20,320 new maps of Stan Justice by 2016 .
North America 's tallest peak is hundreds of feet shorter . The 11,000 height had stood since 1952 . Project will produce 20,320 new maps of Stan Justice by 2016 .