CLASSIFICATION OF WETLANDS OF THE UNITED STATES 
By the Wetlands Classification Committee 
of the Fish and Wildlife Service 
Alexander C. Martin, Chairman 
Neil Hotchkiss 
Francis M, Uhler 
and 
Warren 5S. Bourn 
Special Scientific Report Wildlife No. 20 
United States Department of the Interior, Douglas McKay, Secretary 
Fish and Wildlife Service, John L. Farley, Director 
Washington, D. C. 
June, 1953 
