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Direction of Ground-Water Flow in the Surficial Aquifer in the Vicinity of Impact Areas G-10 and K-2, Marine Corps Base Camp Lejeune, North Carolina, 2004

Scientific Investigations Report 20045270
By Stephen L. Harden, Stephen S. Howe, and Silvia Terziotti


FIGURES
  1. Map showing location of Camp Lejeune study area in Onslow County in the North Carolina Coastal Plain physiographic province
  2. Map showing location of wells used for evaluating water-level data at Camp Lejeune, North Carolina
  3. Hydrogeologic section A-A at Camp Lejeune, North Carolina
  4. Water-table map showing generalized direction of ground-water flow at Impact Area K-2, Camp Lejeune, North Carolina
  5. Water-table map showing generalized direction of ground-water flow at Impact Area G-10, Camp Lejeune, North Carolina
  6. Plot showing linear regression of land-surface altitude and water-table altitude for well sites at Impact Areas K-2 and G-10, Camp Lejeune, North Carolina
  7. Graph showing water-level trends for selected well sites at Camp Lejeune, North Carolina
  8. Graph showing vertical hydraulic gradients for selected well sites at Camp Lejeune, North Carolina
TABLES
  1. Summary of well-construction information for wells used during investigation at Impact Areas K-2 and G-10 at Camp Lejeune, North Carolina
  2. Summary of well information used in developing regression of land-surface altitude and water-level altitude for the surficial aquifer at Impact Areas K-2 and G-10 at Camp Lejeune, North Carolina
CONVERSION FACTORS, DATUM, AND ACRONYMS
 

Multiply by To obtain

Length
foot (ft) 0.3048 meter (m)
Area
square mile (mi2) 2.590 square kilometer (km2)
Flow
foot per day (ft/d) 0.3048 meter per day (m/d)
million gallons per day (Mgal/d) 0.04381 cubic meter per second (m3/s)

Horizontal coordinate information is referenced to the North American Datum of 1983 (NAD 83). Historical data collected and stored as North American Datum of 1927 have been converted to NAD 83 for this publication.

Vertical coordinate information is referenced to the North American Vertical Datum of 1988 (NAVD 88) unless otherwise noted. For the purpose of this publication, the term sea level is used to represent the 0-foot altitude as referenced to NAVD 88.

Acronyms used in this report:

GIS geographic information system
LIDAR light detection and ranging
NCDENR North Carolina Department of Environment and Natural Resources
NGVD 29 National Geodetic Vertical Datum of 1929
NWIS National Water Information System
USGS U.S. Geological Survey

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