In 1949, on the invitation of the International Glaciological Society, Nakaya toured the United States and Canada and attended the meeting establishing SIPRE (Snow, Ice and Permafrost Research Establishment).
Nakaya toured the United States. This was on the invitation of the International Glaciological Society. This was in 1949. Nakaya toured Canada. This was on the invitation of the International Glaciological Society. This was in 1949. Nakaya attended the meeting. This was on the invitation of the International Glaciological Society. This was in 1949. This meeting was establishing SIPRE (Snow). This meeting was establishing SIPRE (Ice). This meeting was establishing SIPRE (Permafrost Research Establishment).