Seattle, Washington: National Park Service, Pacific Northwest Region. 1992. First edition - A comprehensive history of this geologically unique National Monument, set on the Great Rift in Idaho, including chapters on its setting and significance, on developing it, and on managing the natural resources. Illustrated with black and white photographs, maps (including some folding ones.) Notes, bibliography, chronology, index. Large format. (8 1/2 by 11 inches), 393 pp.

Seattle, Washington: National Park Service, Pacific Northwest Region. 1995. First edition - A history of this unique geological national monument, a landscape of black lava flows along the Great Rift of Idaho, which focuses on the impact of various peoples - from the Shoshone Indians to the trappers, overland settlers, miners, and tourists. Photographs, folding maps, bibliography. Large format. 241 pp.

Seattle, Washington: National Park Service, Pacific Northwest Region. 1995. SIGNED first edition - A history of this unique geological national monument, a landscape of black lava flows along the Great Rift of Idaho, which focuses on the impact of various peoples - from the Shoshone Indians to the trappers, overland settlers, miners, and tourists. INSCRIBED on the first page to the man he identified in the acknowledgements as 'doing more than anyone else to promote the monument's history.' Photographs, folding maps, bibliography. Large format. 241 pp.