1859 — Members of Capt. W. F. Raynolds’ Yellowstone Expedition visit Bear Lodge (Devils Tower). 1875 — U.S. Geological Survey visits formation. Name changed from Bear Lodge to Devils Tower. 1892 — Area established as forest reserve. Senator Warren introduces bill to establish Devils Tower National Park. 1893 — William Rogers and Willard Ripley make first ascent of Tower by ladder. 1906 — President Theodore Roosevelt establishes Devils Tower as the first national monument. 1930 — First full-time custodian appointed for monument. 1933-41— Area developed by Civilian Conservation Corps and other agencies in cooperation with the National Park Service. 1937 — Fritz Wiessner and party first ascent of Tower by mountain-climbing techniques. 1954 — Monument visitation passes 100,000 mark. 1956 — Golden Anniversary of Devils Tower National Monument observed. 1956 — 100th Anniversary of birth of Theodore Roosevelt. 1963 — 1000th ascent of the Tower. 1970 — 2000th ascent of the Tower. 1973 — 3000th ascent of the Tower. 1975 — 4000th ascent of the Tower. 1975-76— Reenactment of 1893 Flag Raising. Transcriber’s Notes —Silently corrected a few typos. —Retained publication information from the printed edition: this eBook is public-domain in the country of publication. —In the text versions only, text in italics is delimited by _underscores_.