Hueco Bolson  search
BTNorth America
 .Hueco Bolson
UFHueco Basin
RTRio Grande Rift
 Dona Ana County New Mexico
 El Paso County Texas
 Hudspeth County Texas
 Otero County New Mexico
SNIn Rio Grande Rift. Chihuahua Mexico, West Texas Panhandle, and central S New Mexico. Also search Hueco Basin. Indexed with U.S. counties and/or Chihuahua Mexico as applicable. Added to Thesaurus in 1995.