Environmental Impact of the Big Cypress Swamp Jetport
The "Environmental Impact of the Big Cypress Swamp Jetport", unofficially known as the "Leopold Report" or the "Leopold-Marshall Report", was a report authored by hydrologist Luna Leopold of the United States Geological Service for the Department of the Interior and officially released on September 17, 1969. Arthur R. Marshall, formerly of the United States Fish and Wildlife Service, helped draft the report.
Source: Wikipedia — Environmental Impact of the Big Cypress Swamp Jetport (CC BY-SA 4.0)