No.	Title	Date
281	Papers relating to Tamiami Trail construction	1926
282	Papers relating to the Everglades	1908
283	Papers relating to the Miami Mineral, Oil and Gas Company and Tamiami Trail	1917
284	Papers relating to the Tamiami Railway	1925
285	Park ranger recording data in the Everglades National Park	1950/1959
286	Patterns of Radiophosphorus Accumulation in the Everglades After its Introduction into Surface Water	1982-02
287	Paurotis Pond (Stop 81-VIII) ( 17 photograph sets )
288	Pennsuco sugar plantation, 1921-1922	1921/1922
289	Periphyton and water quality relationships in the Everglades water conservation areas, 1978-1982	1987-03
290	Periphyton as an indicator of restoration in the Florida Everglades	2009
291	Periphyton responses to eutrophication in the Florida Everglades: Cross-system patterns of structural and compositional change	2006
292	Photographs depicting a motorboat trip through the Ten Thousand Islands, approximately 1931	1931
293	Photographs depicting Big Cypress Swamp and cypress trees, approximately 1928-1931	1931
294	Photographs depicting Brown Pelicans, 1929.	1929
295	Photographs depicting camps and camping, 1921-1929.	1929
296	Photographs Depicting fishing and fire, 1921-1926.	1926
297	Photographs depicting fishing in the Everglades, 1929.	1929
298	Photographs depicting mangroves in the Everglades, 1925-1929.	1929
299	Photographs depicting palms in the Everglades, 1929.	1929
300	Photographs depicting plants in the Everglades, approximately 1921-1931	1931