2163. Groundwater levels in the United States, 1972-74, North - Central states

Public ISBD Titre : Groundwater levels in the United States, 1972-74, North - Central states Type de document : texte imprimé Mention d'édition : US. Gorvernment Printing Office Editeur : US. Gorvernment Printing Office Année de publication : 1977 ISBN/ISSN/EAN : CI-10791 Note générale : Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd). Langues : Anglais (eng) Mots-clés : Eau souterraine  Puits  Hydrométrie  Mesure et observation  Piézométrie Index. décimale : 551.49 Eaux souterraines Résumé : Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd). Note de contenu : Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd). Groundwater levels in the United States, 1972-74, North - Central states [texte imprimé]  . -  US. Gorvernment Printing Office . - US. Gorvernment Printing Office, 1977. ISSN : CI-10791 Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd). Langues : Anglais (eng) Mots-clés : Eau souterraine  Puits  Hydrométrie  Mesure et observation  Piézométrie Index. décimale : 551.49 Eaux souterraines Résumé : Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd). Note de contenu : Publication of groundwater level data for the United States in water-supply papers was begun by the geological survey in 1935. Beginning in 1956, only water-level data from a basic network of observation wells have been published. Measurements are made in many types of well, under varying conditions of access and at different temperatures, hence, neither the method of measurement nor the equipment can be standardized. Water-level measurement in this report are given in feet with reference to either mean sea level (msl) or land - surface datum (lsd).

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