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Displaying 1-4 of 4 results for author "Willard, Debra A."
Late Pliocene pollen assemblages from Ocean Drilling Project Hole 646B [microform] : census data and paleoclimatic estimates / Debra A. Willard.
- Text
- [Reston, VA] : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1992]
- 1992
Pliocene palynomorph census data from the Pinecrest Beds (Tamiami Formation) in Quality Aggregates Phase 6 Pit, southwestern Florida [microform] / Debra A. Willard.
- Text
- Reston, Va. : Dept. of the Interior, U.S. Geological Survey ; [Denver, Colo. : Books and Open-File Reports Section, distributor, 1993]
- 1993
Palynological census data from surface samples in south Florida [microform] / Debra A. Willard and Lisa M. Weimer ; prepared in cooperation with the South Florida Water Management District.
- Text
- Reston, VA : U.S. Geological Survey, 1997.
- 1997
Pollen census data from southern Florida : sites along a nutrient gradient in water conservation area 2A [microform] / Debra A. Willard ; prepared in cooperation with South Florida Water Management District, West Palm Beach, FL.
- Text
- [Reston, Va.? : U.S. Dept. of the Interior, U.S. Geological Survey], 1997.
- 1997
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