Lick Observatory - 1887
Mt Hamilton (1285 m) CA
Largest instrument: 3.01 m Shane Reflector
In construction: 2.56 m Automated Planet Finder
Lowell Observatory – 1894
Mars Hill (2210 m) AZ
Largest instrument: 1.80 m Perkins Reflector
In construction: 4.20 m Disc Chan Telescope (Happy Jack site)