ERTS-I: A New Window on Our Planet GEOLOGICAL SURVEY PROFESSIONAL PAPER 929 RICHARD S. WILLIAMS, JR. and WILLIAM D. CARTER, EDITORS UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1976 Two excerpts: Ecological Model in Florida Water-Management Model of the Florida Everglades You can also download the PDF version of this paper. Note: the free Adobe Acrobat Reader will be needed in order to view this file.

Cover photography of the Earth taken from Apollo (72-HC-928) courtesy of National Aeronautics and Space Administration

Cooperating Organizations: U.S. Department of the Interior: Geological Survey Bureau of Land Management Bureau of Reclamation Bureau of Mines Fish and Wildlife Service National Park Service University of Tennessee Environmental Research Institute of Michigan U.S. Army Corps of Engineers The American University Jet Propulsion laboratory (California Institute of Technology) University of Minnesota National Oceanic and Atmospheric Administration University of Alabama California State University Wyoming Geological Survey