2020-07-302022-02-212020-07-302022-02-21https://hdl.handle.net/11124/174561Geophysical Observatory, showing a man on the second floor porch, with the building's sign bearing the Colorado School of Mines logo. A utility vehicle is in front of the building and evergreen trees are in the foreground and background.10 x 8 inchesblack-and-white photographsVehicles -- AutomobilesColorado School of Mines -- BuildingsGeophysical observatories -- ColoradoStillImage