cations the text of the explanatory notes that accompany a set of two maps co-published in 1999 by the Commission for the Geological Map of the World and ANDRA entitled: Maps of the World Environment during the last two Climatic Extremes (1. The Last Glacial Maximum — ca 18,000 ± 2,000 yrs B.P., 2. The Holocene Optimum — ca 8,000 ± 1,000 yrs B.P.). A reduced version of these two maps, originall...