Nps Map Pictographs Part 1 icon

First set of 4 sets of map pictographs for U.S. national park maps. PD US Government - National Park Service, U.S. Dept. of the Interior \n \nrest of set: \nhttp://openclipart.org/media/files/johnny_automatic/6754 \nhttp://openclipart.org/media/files/johnny_automatic/6757 \nhttp://openclipart.org/media/files/johnny_automatic/6765