Geological Survey of Canada Radiocarbon Dates VII

J. A. Lowdon, W. Blake
1968 Radiocarbon: An International Journal of Cosmogenic Isotope Research  
The 2-L counter (GSC I) and the 5-L counter (GSC IV) were operated routinely during the past year. The 5-L counter was operated at 1 atm, except for February-March 1967, when it was operated at 4 atm. Approximately half the determinations reported were obtained from each counter.
doi:10.1017/s0033822200010894 fatcat:ovrgsmaspnhornjtjbjerpj6y4