Editor's note: The little-used airstrip in the Everglades that the state is using to build a detention center for immigrants, ...

The report on the “Big Cypress Swamp Jetport,” later called the “Leopold-Marshall report” — Luna Leopold was head of the U.S. Geological Survey — came out in 1969.

The report on the “Big Cypress Swamp Jetport,” later called the “Leopold-Marshall report” — Luna Leopold was head of the U.S. Geological Survey — came out in 1969.

The report on the “Big Cypress Swamp Jetport,” later called the “Leopold-Marshall report” — Luna Leopold was head of the U.S. Geological Survey — came out in 1969.

The report on the “Big Cypress Swamp Jetport,” later called the “Leopold-Marshall report” — Luna Leopold was head of the U.S. Geological Survey — came out in 1969.