No.	Title	Date
41	Correspondence and ephemera pertaining to the sale of land in the Chevelier Tract to the federal government and to the creation of Everglades National Park	1931
42	Correspondence and photographs relating to national park committee visit to the Everglades, 1929-1930.	1930
43	Correspondence and records relating to the Chevelier Corporation and the Hopkins/Chevelier Tract	1937
44	Correspondence relating to Arch Creek, Biscayne and Dade drainage districts	1924
45	Correspondence relating to the creation and boundaries for Everglades National Park	1936
46	Correspondence relating to the creation of Everglades National Park	1934
47	Correspondence relating to the creation of Everglades National Park	1931
48	Correspondence with Robert Ranson	1926
49	Correspondence with Robert Ranson	1926
50	Cranes and Egrets roosting in newly opened Everglades National Park, Florida	1959
51	Decorative envelope and advertisement for book, 1947.	1947
52	Dedication ceremonies for Everglades National Park, Everglades, Florida	1947
53	Distribution and Abundance of Fish Communities Among Selected Estuarine and Marine Habitats in Everglades National Park	1987
54	Distribution and Abundance of Flora in Limestone Rockland Pine Forests of Southeastern Florida	1979
55	Drive Leading Through Royal Palm State Park
56	The Early Life History of Spotted Seatrout, Red Drum, Gray Snapper, and Snook in Everglades National Park	1986
57	East River -Twin Island Pond (Stop 81-XII) ( 12 photograph sets )
58	EcoImpact, Inc. response to criticisms by the National Park Service of the report "The impact of evicting farmers from the Hole-in-the-Donut" and related material	1975
59	Ecological research in Everglades National Park by Milton C. Kolipinski and Aaron L. Higer.	1905
60	Ecological Targets for Western Biscayne National Park	2006-04