This investigation was undertaken to locate deposits of rock, sand, gravel, fill and borrow in northern New Castle County which may be potential sources of material for highway construction, and to prepare maps and descriptions of the surficial earth materials relative to their geologic and engineering properties.
Please give proper credit to the Delaware Geological Survey.
Ward, R.F. and Groot, J.J. , 1957, Engineering Materials of Northern New Castle County: Delaware Geological Survey Bulletin 7.
Delaware Geological Survey
University of Delaware
Delaware Geological Survey Building
Newark, DE 19716
Mon - Fri; 8:00am to 4:30pm