Arlyn Andrews, lead scientist, NOAA ESRL tall tower measurements, at the 1,000 foot "Tall Tower" observatory east of Erie, Tuesday morning, July 31, 2007. NOAA Scientists launched a new program to gather regional CO2 data, using "Tall Towers" and a new so
KEN PAPALEO, Arlyn Andrews, lead scientist, NOAA ESRL tall tower measurements, at the 1,000 foot "Tall Tower" observatory east of Erie, Tuesday morning, July 31, 2007. NOAA Scientists launched a new program to gather regional CO2 data, using "Tall Towers" and a new so (07/31/2007), [435261852] . Denver Public Library Digital Collections, accessed 13/03/2026, https://digital.denverlibrary.org/nodes/view/810505