TY - RPRT TI - Formalization of the Elsing Green Alloformation, Virginia Coastal Plain, Eastern Virginia AU - C.R. Berquist AU - Amy K. Gilmer PY - 2026 DO - 10.3133/pp1879v3d UR - https://pubs.usgs.gov/publication/pp1879v3D ID - pp1879v3D ER -