compiled by the Water Problem Institute of the Russian Academy of Sciences under UNESCO supervision ; editors in chief, R.G. Dzhamalov and I.S. Zektser ; editorial board, A. Aureli ... [and others] ; authors, R.G. Dzhamalov ... [and others] ; cartographers, Z.G. Golubeva and L. Ya. Gervits
by R.M. Spechler ... [and others] ; prepared in cooperation with the St. Johns River Water Management District and the South Florida Water Management District and the Southwest Florida Water Management District