SIESC

AcronymDefinition
SIESCSouthern Illinois Earth Science Club
SIESCSecrétariat International des Enseignants Secondaires Catholiques (International Secretariat of Catholic Secondary School Teachers)
References in periodicals archive ?
* SIESC Gem, Mineral, Fossil and Jewelry Show: 10 a.m.-5 p.m., The Pavilion of the City of Marion, 1602 Sioux Dr.
He said the club's membership stretches from the Mississippi River area to the Ohio River region, and SIESC was established in 1961.
He said that the club's membership stretches from the Mississippi River area to the Ohio River region, and SIESC was established in 1961.