No.	Title	Date
21	Everglades	1980-01
22	Everglades
23	Everglades	1978-02
24	Everglades	1978-03
25	Everglades
26	Everglades	1978-03
27	Everglades
28	Everglades
29	Everglades
30	Everglades National Park, Big Cypress Drainage Area, Gulf of Mexico
31	Everglades National Park, Collier County, Monroe County, Hendry County, 40-mile Bend, training airport	1980-01
32	Everglades National Park, Florida	1965
33	Everglades, Taylor River	1980-02
34	First Day of Issue Program	1947
35	Flamingo Inn the Everglades National Park	1960/1969
36	Flamingo Marina ( Stop 81- XX) ( 17 photograph sets )
37	Fort Jefferson National Monument, Florida : shipwreck study -- the Dry Tortugas.	1971
38	Harney River (Stops 81-XXV) ( 23 photograph sets )
39	Hydrological monitoring station NP203, Alice Rudig, P. Rosendahl	1978-01
40	Hydrological monitoring station NP203, Alice Rudig, P. Rosendahl	1978-01