Frenkel, Robert E.
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How well can we do? The Salmon River Estuary:

Morlan, Janet C. ; Frenkel, Robert E.
Restoration & Management Notes.  10 (1992)  1 - p. 21-23 , 1992
 
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Vegetation and Land Cover Change in the Willamette River Gr..:

Frenkel, Robert E. ; Wickramaratne, S. Nimal ; Heinitz, Eric F.
Yearbook of the Association of Pacific Coast Geographers.  46 (1984)  - p. 63-77 , 1984
 
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Natural Area Inventory and Assessment: Blacklock Point, Ore..:

Frenkel, Robert E.
Yearbook of the Association of Pacific Coast Geographers.  42 (1980)  - p. 119-129 , 1980
 
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Trampled Vegetation and Floristic Convergence in the Tropic:

Frenkel, Robert E.
Yearbook of the Association of Pacific Coast Geographers.  34 (1972)  - p. 87-98 , 1972
 
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Ruderal vegetation along some California roadsides 

University of California publications in geography ; 20
Copies:  Zentrale:E02 a bot 335 7up/565
 
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