Author
Geological Survey (U.S.)
3
Robinson, Gilpin R., Jr
3
Froelich, A. J. 1929-
2
Margolis, Jacob
1
Schafer, Constance M.
1
U.S. Geological Survey Workshop on the Early Mesozoic Basins of the Eastern United States
1
U.S. Geological Survey Workshop on the Early Mesozoic Basins of the Eastern United States Reston, Va.)
1