Downloads and DataData files are usually found here. However, also check Abstract and elsewhere on this page for additional links.
Dataset Bounding Box
A geospatial data file containing all polygons representing the areal extent of 7.5-minute topographic quadrangles within and surrounding Delaware.
WMS URL: http://maps.dgs.udel.edu/geoserver/dgs/ows?
Layer Names: usgs_de_quads