Long Valley  search
RTCalifornia
 Inyo County California
 Mono County California
 Morris County New Jersey
 Nevada
 New Jersey
 New Jersey Highlands
 White Pine County Nevada
SNE California, Mono Lake and Owens Valley area. Also in N central New Jersey. Also in White Pine County, E Nevada. Indexed with counties as applicable. Added to Thesaurus in 1993.
Long Valley Caldera  search
BTUnited States
 .California
 ..Mono County California
 ...Long Valley Caldera
RTCasa Diablo
 Sierra Nevada
 Inyo Domes
 Obsidian Dome
 Mammoth Lakes earthquakes
 Mammoth Mountain
SNS Mono County, E California. Added to Thesaurus in 1985.