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Displaying 1-4 of 4 results for author "Block, Debra L."
Geologic map of the Peach Springs 30ʹ x 60ʹ quadrangle, Mohave and Coconino Counties, northwestern Arizona / by George H. Billingsley, Debra L. Block, and Helen C. Dyer ; prepared in cooperation with the National Park Service and Bureau of Land Management, Arizona Strip District.
- Cartographic
- Flagstaff, Ariz. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006.
- 2006
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/LPS93097Geologic map of the eastern quarter of the Flagstaff 30ʹ x 60ʹ quadrangle, Coconino County, northern Arizona / by George H. Billingsley, Debra Block, and Margaret Hiza Redsteer ; prepared in cooperation with the Navajo Nation Minerals Department.
- Cartographic
- [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2013.
- 2013
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo46227Geologic map of the Winslow 30ʹ x 60ʹ quadrangle, Coconino and Navajo Counties, northern Arizona / by George H. Billingsley, Debra Block, and Margaret Hiza Redsteer ; prepared in cooperation with the Navajo Nation.
- Cartographic
- Reston, Va. : U.S. Department of the Interior, U.S. Geological Survey, 2013.
- 2013
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo57486Digital database of microfossil localities in Alameda and Contra Costa Counties, California / by Kristin McDougall and Debra Block.
- Text
- Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2014.
- 2014
- 1 Resource
Available Online
https://purl.fdlp.gov/GPO/gpo187120
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