Historic flood information for Northern California streams from geological and botanical evidence /

Autor Helley, Edward John, LaMarche, Valmore C.
Vydáno 1973

Late Cenozoic tectonism of the Sacramento Valley, California /

Autor Harwood, David Smith, 1936-, Helley, Edward John, 1939-
Vydáno 1987

Late Quaternary depositional history, Holocene sea-level changes, and vertical crust movement, southern San Francisco Bay, California /

Autor Atwater, Brian F., 1951-, Hedel, Charles W., Helley, Edward John
Vydáno 1977

Flatland deposits of the San Francisco Bay region, California : their geology and engineering properties and their importance to comprehensive planning /

Autor Helley, Edward John, Lajoie, K. R., Spangle, W. E., Blair, M. L., Spangle, William
Vydáno 1979