Yellowstone National Park folio, Wyoming

The area covered by the maps of the Yellowstone National Park folio is represented upon four atlas sheets, known as the Gallatin, Canyon, Lake, and Shoshone sheets, and is embraced between the parallels of 44° and 45° north latitude and the meridians of 110° and 111°. It is situated in the northwest corner of the State of Wyoming, and includes 3,412 square miles.