Preliminary report on the geology and ground-water resources of Delaware,
by Ira Wendell Marine and William Charles Rasmussen. Prepared in cooperation between the Delaware Geological Survey, the Agricultural Experiment Station and the Geological Survey, U. S. Dept. of the Interior.
- Newark, 1955.
- 336 p. illus., maps (part fold., 9 in pocket) diagrs. (part fold.) tables 23 cm.
- Delaware. Geological Survey. Bulletin no. 4 .