Former park guide Melissa Dalley quit over the removals, and now she travels the country handing out the missing texts. In July, former National Park Service (NPS) ranger Melissa Dalley stood in a visitor center in Grand Teton National Park, next to a wall where a sign used to be, handing strangers a piece of paper with the missing words on it. “You could clearly see the ghost of the sign,” Dalley told Outside. An example of one of the pamphlets Melissa Dalley is handing out (Photo: Melissa Dalley)Did You Notice a Sign Missing? The sign removals were her red line.