Books by Roy R. Lewis:
Books in the extended shelves:
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Lewis, Roy R., 1944-: Colonial bird use and plant succession on dredged material islands in Florida. Vol. II. Patterns of plant succession (Waterways Experiment Station ;, 1978), also by Carolyn S. Lewis and Inc Seabird Research (page images at HathiTrust)- Lewis, Roy R., 1944-: The ecology of Tampa Bay, Florida : an estuarine profile (Fish and Wildlife Service, U.S. Dept. of the Interior, 1988), also by Ernest D. Estevez and U.S. Fish and Wildlife Service (page images at HathiTrust)
Find more by Roy R. Lewis at your library, or elsewhere.