今年は成果なし.Clickで拡大(262kB).
未入手なのは...Alabama, Alaska, Arizona, Colorado, Delaware, Idaho, Illinois, Indiana, Iowa, Maine, Michigan, Montana, Nebraska, New Jersey, New mexico, North Dakota, Ohio, Texas, Wyoming.
...というprogramも始まっていたようです.
去年:White Mountain National Forest (New Hampshire)
今年:Chickasaw National Recreation Area (Oklahoma)