Legends for geohydrochemical maps = Légendes des cartes hydrogéochimiques Légendes des cartes hydrogéochemiques text bibliography fr Paris Unesco Press 1975 monographic eng fre spa rus
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61 p. : ill. ; 27 cm. At head of title: A contribution to the International Hydrological Decade. English, French, Spanish, and Russian. "[A.18] SC.74/XXI. 14/A.F.S.R." Includes a bibliography. Water chemistry Maps Symbols Hydrogeology Maps Symbols GB651 .T42 no. 14a GB855 551.4/8/08 s 912/.1/55148 Technical papers in hydrology ; 14 9230012076 9789230012076 79313994 DLC 790727 20260115150430.0 1343890