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Displaying 1-7 of 7 results for author "Helley, Edward J."
Preliminary contour map showing elevation of surface of Pleistocene alluvium under Santa Clara Valley, California [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by E.J. Helley.
- Cartographic
- [Reston, Va.?] : The Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1991]
- 1991
Geologic map of the Newark 7.5 minute quadrangle, Alameda County, California [microform] / U.S. Department of the Interior, U.S. Geological Survey ; by E.J. Helley and D.M. Miller.
- Cartographic
- Menlo Park, Calif. : The Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1992.
- 1992
Quaternary geologic map of the San Jose West quadrangle, Santa Clara County, California [microform] / Department of the Interior, U.S. Geological Survey ; J.R. Wesling and Edward J. Helley.
- Cartographic
- Menlo Park, Calif. : The Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor], 1989.
- 1989
Preliminary Quaternary geologic maps of Santa Clara Valley, Santa Clara, Alameda, and San Mateo counties, California [microform] : a digital database / by E.J. Helley ... [et al.].
- Text
- [Menlo Park, Calif.?] : U.S. Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : For sale by Open-File Reports Section], 1994.
- 1994
Late Quaternary depositional history, Holocene sea-level changes, and vertical crust movement, southern San Francisco Bay, California / by Brian F. Atwater, Charles W. Hedel, and Edward J. Helley.
- Text
- Washington : United States Department of the Interior, Geological Survey, 1977.
- 1977
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo89884Geologic map of the Chico monocline and northeastern part of the Sacramento Valley, California / by David S. Harwood, Edward J. Helley, and Michael P. Doukas ; Department of the Interior, United States Geological Survey.
- Cartographic
- 1981
- 1 Item
Item details Format Call Number Item Location Cartographic Map Off-site Map showing faults with Quaternary displacement, northeastern San Francisco Bay Region, California / Department of the Interior, U.S. Geological Survey ; by Edward J. Helley and Darrell G. Herd.
- Cartographic
- Reston, Va.: The Survey ; Denver, CO : For sale by map Distribution, 1977
- 1977-1988
- 1 Item
Item details Format Call Number Item Location Cartographic Map Off-site
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