Park City Museum researcher
Miners in a double cage at the more than 2,400-feet-deep Ontario No. 3 shaft in 1891. The cage is wide open, as opposed to modern elevators with walls and sliding doors.
Park City Historical Society & Museum
In Salt Lake City, there are more than 10 buildings over 300 feet high and two extending up over 400 feet. Denver has 45 structures over 300 feet tall, eight over 500 feet, five over 600 feet – and the highest is just over 700 feet tall. The tallest buildings in the U.S. are in Atlanta (1,040 feet), San Francisco (1,070 feet), Los Angeles (1,018 feet), Chicago (1,450 feet), and New York City (1,776 feet).