|Synopsis: Popular recreation and park area, preserves springs, streams and lakes. Former Platt National Park.
Stamp Location: Visitor information centers include park headquarters west of US 177 and the Travertine Nature Center east of US 177 in Sulphur.
|Oklahoma City NM|
|Synopsis: Memorial honors the victims, survivors, rescuers, and all who were changed forever on April 19, 1995 when the federal office building was blown up by terrorists.
Stamp Location: The site is located between Robinson and Harvey Sts on the east and west, and between Sixth and Fourth Sts on the north and south. Stamp is at the museum ticket booth.
|Trail of Tears NHT|
|Synopsis: Trail memorializes the forced migration of thousands of natives to land in the west. Many never made it.
Stamp Location: Known location: At the Tahlequah Reservation Bookstore in Tahlequah. You must ask for the stamp (it’s kept in a storage area). See also Kentucky, Missouri, North Carolina, Arkansas, Georgia, New Mexico and Tennessee for additional stamping locations.
|Washita Battlefield NHS|
|Synopsis: Site protects and interprets the site of the Southern Cheyenne village of Peace Chief Black Kettle that was attacked by the 7th U.S. Cavalry under Lt. Col. George A. Custer just before dawn on November 27, 1868. The
Stamp Location: Stamp is available at park headquarters and visitor center located 100 feet from the intersection of US 283 and SR 47, next to the Rook Theater. Stamp is also available at the Black Kettle Museum on US 283.