Estimates of tracer-based piston-flow ages of groundwater from selected sites : National Water-Quality Assessment Program, 2006-10 / by Stephanie D, Shapiro [and six others].

Author/creator Shapiro, Stephanie Dunkle author.
Other author Geological Survey (U.S.) issuing body.
Other author National Water-Quality Assessment Program (U.S.)
Format Electronic
PublicationReston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012.
Description1 online resource (viii, 100 pages) : illustrations (some color), color map.
Supplemental Contenthttps://purl.fdlp.gov/GPO/gpo171902
Subjects

SeriesScientific investigations report ; 2012-5141
Scientific investigations report ; 2012-5141. ^A580890
General note"National Water-Quality Assessment Program."
General noteGPO Cataloging Record Distribution Program (CRDP).
Bibliography noteIncludes bibliographical references (page 7).
Source of descriptionDescription based on online resource; title from PDF title page (USGS, viewed Nov. 17, 2021).
GPO item number0624-B-02 (online)
Govt. docs number I 19.42/4-4:2012-5141