Ellen E Hardy

Ellen E Hardy · U.S. Dept. of the Interior, U.S. Geological Survey

74 sayfa · 1994

Bibliography / Catalogs / Geological Survey (U.S.) / Government publications / Hydrology

Ellen E. Hardy · Editora da UNICAMP

113 sayfa · 1991

Breastfeeding / Employment / Law and legislation / Mothers

Ellen E. Hardy · Branch of Information Services [distributor]

37 sayfa · 1996

Geological Survey (U.S.). / Geological Survey (U.S.). Water Resources Division / Hydrology / Research / Water resources development

Ellen E. Hardy · U.S. Geological Survey

34 sayfa · 1996

Water-supply / Hydrology / Water resources development / Geological Survey (U.S.). Water Resources Division / Geological Survey (U.S.).

Ellen E. Hardy, Stefanie L. Dragos · Earth Science Information Center, Open-File Reports Section [distributor]

37 sayfa · 1995

Geological Survey (U.S.) / Hydrology / Water resources development / Research