International legend for hydrogeological maps
By: [International Association of Hydrogeologists, International Association of Hydrological Sciences, United Nations Educational, Scientific, and Cultural Organization].
Contributors: International Association of Hydrogeologists.; International Association of Hydrological Sciences.; Unesco.
Edition: Rev. version 1983.
Publisher: UNESCO
Published: 1983
Place of publication: Paris
Language: eng
Number of pages: 51
Subjects: Hydrogeology -- Maps -- Symbols.
Notes: Includes bibliographical references (p. 14-15).
Cover title.
"Selected list of hydrogeological maps"--P. 45-51.