Southwestern Region Publishes Southwestern Cavers . Texas Speleological Association Texas cavers are active in several projects, mainly in Texas and Mexico. The Texas Speleological Association publishes The Texas Caver and a monthly TSA Activities Newsletter. The oldest NSS region, started in 1950. Publishes a newsletter, Region Record .
Holds fall and spring meetings with business sessions and other activities.
Has sponsored conservation and cave protection activities and maintains contact with other environmental groups. Western The Western Region promotes cave conservation, the scientific study of caves, and speleoeducation. It hosts its annual business meeting in the fall and sponsors regional seminars. The region publishes the California Caver .