Drill Site, Alaska - Bona-Churchill (2002)
http://www-bprc.mps.ohio-state.edu/Icecore/Alaska.html
Photo by Vladimir Mikhalenko, Byrd Polar Research Center, Ice Core Paleoclimatology Research Group (Scott Hall Room 108, 1090 Carmack Road, The Ohio State University, Columbus, Ohio 43210-1002)

U.S. Daily Weather Maps Project
http://docs.lib.noaa.gov/rescue/dwm/data_rescue_daily_weather_maps.html
( NOAA Central Library Data Imaging Project, National Oceanic and Atmospheric Administration, 1335 East-West Highway, SSMC1, 8th Floor, Silver Spring, MD 20910)

Ice Core, Drilling Operation, Peru - Quelccaya (2003)
http://www-bprc.mps.ohio-state.edu/Icecore/Quelccaya2003.html
Photo by Doug Hardy, Byrd Polar Research Center, Ice Core Paleoclimatology Research Group (Scott Hall Room 108, 1090 Carmack Road, The Ohio State University, Columbus, Ohio 43210-1002)

Ice Core Sources of Paleoclimatic Information
Modeled on a figure from Bradley, R. (1999). Paleoclimatology: Reconstructing Climates of the Quaternary. 2nd Ed. San Diego: Academic Press, 126.

The Ice Core Drill, Kilimanjar
http://www-bprc.mps.ohio-state.edu/Icecore/KilimanjaroDrillSystem.html
Byrd Polar Research Center, Ice Core Paleoclimatology Research Group (Scott Hall Room 108, 1090 Carmack Road, The Ohio State University, Columbus, Ohio 43210-1002)

Laboratory Instruments, Analytical Facilities
http://www-bprc.mps.ohio-state.edu/Icecore/facilities.html
Byrd Polar Research Center, Ice Core Paleoclimatology Research Group (Scott Hall Room 108, 1090 Carmack Road, The Ohio State University, Columbus, Ohio 43210-1002)

Snow-Ice Transition, Sintering Process
Raynaud, D. (1992). The ice record of the atmospheric composition: a summary, chiefly of CO2, CH4 and O2. In: Trace Gases and the Biosphere (B. Moore III, and D. Shimel, eds.). Boulder: University Corporation for Atmospheric Research, 165-176. Reprinted in Bradley, R. (1999). Paleoclimatology: Reconstructing Climates of the Quaternary. 2nd Ed. San Diego: Academic Press, 168.

Indicators of the Human Influence on the Atmosphere during the Industrial Era
http://www.ipcc.ch/present/graphicswithout.htm
Intergovernmental Panel on Climate Change (IPCC Secretariat, c/o World Meteorological Organization, 7bis Avenue de la Paix, C.P. 2300, CH- 1211 Geneva 2, Switzerland)