U.S. Department of the Interior, U.S. Geological Survey, Watt, M.K., and Johnson, M.L., Authors, 19921231, wri914126wlmap_wlcont.
This is a Vector data set. It contains the following vector data types (SDTS terminology):
The map projection used is NAD 1983 UTM Zone 18N.
Planar coordinates are encoded using coordinate pair
Abscissae (x-coordinates) are specified to the nearest 0.0001
Ordinates (y-coordinates) are specified to the nearest 0.0001
Planar coordinates are specified in meter
The horizontal datum used is North American 1983.
The ellipsoid used is GRS 1980.
The semi-major axis of the ellipsoid used is 6378137.0.
The flattening of the ellipsoid used is 1/298.257222101.
Sequential unique whole numbers that are automatically generated.
Coordinates defining the features.
Range of values | |
---|---|
Minimum: | 1 |
Maximum: | 149 |
Units: | feet |
Positive real numbers that are automatically generated.
Watt, M.K., and Johnson, M.L., 1992, Water Resources of the unconfined aquifer system of the Great Egg Harbor River Basin, New Jersey, 1989-90, U.S. Geological Survey Water-Resources Investigations Report 91-4126, 5 sheets. (sheet 2 of 5, figure 2-1) http://pubs.er.usgs.gov/publication/wri914126
(609) 771-3900 (voice)
(609) 771-3915 (FAX)
dc_nj@usgs.gov
The water-table contour map for the Great Egg Harbor River study area consists of interpreted lines of equal water-table altitude, based on water levels measured in wells and streams. The water-table contour map can be used to provide an interpretive assessment of depth to water, water-table altitude, water-table gradients, and the direction of groundwater flow within the unconfined aquifer system. The study was performed in cooperation with the New Jersey Department of Environmental Protection for their purpose of developing a scientific basis to help address environmental, water-resource management and planning, water availability, water use, and water quality questions.
Are there legal restrictions on access or use of the data?
- Access_Constraints: None
- Use_Constraints:
- Although these data have been processed successfully on a computer system at the U.S. Geological Survey, no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. It is also strongly recommended that careful attention be paid to the constraints of the metadata file associated with these data to evaluate data set limitations, restrictions or intended use. The U.S. Geological Survey shall not be held liable for improper or incorrect use of the data described and/or contained herein.
(609) 771-3900 (voice)
(609) 771-3915 (FAX)
dc_nj@usgs.gov