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Open-file Report - 521
Multi-tracer investigation of groundwater residence time in a karstic aquifer: Bitter Lake National Wildlife Refuge, New Mexico, USA

Lewis Land and G. F. Huff


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Open-file Reports are available as free downloads or on CD/DVD-ROM (see below).

Most of the reports are PDF files and require the free Adobe Acrobat Reader software to view. These reports may also contain GIS data or other file types, and some are collections of files that are intended to run from a CD-ROM or local hard drive.


These reports are subject to frequent revisions and may be unavailable when being modified. The Last Modified date listed here reflects when a file was last saved and may not be the date this report was last revised.

File Name Size Last Modified 219.32 MB 12/16/2013 11:33:23 AM
ofr_521.pdf 17.44 MB 02/21/2012 01:11:13 PM