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Ground-water flow in the shallow aquifer system at the Naval Weapons Station Yorktown, Virginia
1 online resource (iv, 33 pages) : illustrations (chiefly color), maps (some color).
"Prepared in cooperation with the Environmental Directorate, Naval Weapons Station Yorktown."
GPO Cataloging Record Distribution Program (CRDP).
Includes bibliographical references (page 33).
Water-resources investigations report ; 00-4077