2020-07-302022-02-212020-07-302022-02-21https://hdl.handle.net/11124/174713Marvin A. Carlson, geophysicist, checks an earthquake reading in a bank of seismograph recorders at the new USGS building on the Colorado School of Mines campus.10 x 8 inchesblack-and-white photographsPeople -- ScientistsBuildings -- GovernmentViews -- InteriorColorado School of Mines -- BuildingsNational Earthquake Information ServiceGeophysicistsStillImage