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Digital Geodata Series
DGS99-3 Surficial Geology of Hunterdon County, New Jersey (8.63MB)


DGS99-3 is an ARC/INFO Geographic Information Systems (GIS) coverage of surficial geologic materials of Hunterdon County, New Jersey. Surficial materials are the unconsolidated sediments that overlie bedrock formations, and that are the parent material for agronomic soils. In Hunterdon County they include stream, wetland, glacial, windblown, and hillslope sediments and weathered bedrock material. The weathered bedrock material may be as much as 200 feet thick. The other sediments are generally less than 20 feet thick. The surficial materials range from coarse gravel to clay and peat. They affect the movement of ground water from the surface into underlying bedrock aquifers, and are aquifers themselves in places. They also provide foundation support for structures, and supply sand and gravel for construction purposes.

This map was simplified into five units for this display by combining 29 geological units available with DGS99-3.

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Department of Environmental Protection
Geological and Water Survey
P. O. Box 420
Mail Code:29-01
Trenton, NJ 08625-0420

Phone: (609) 292-1185
FAX: (609) 633-1004