found: Trabajo y vida cotidiana de centroamericanos en la frontera suroccidental de México, 2014:p. 15 (región del Soconusco, Chiapas, México)
found: GEOnet, July 19, 2016(three Mexican PPLs (one in Chiapas) and a PPLA2 in Chiapas all named Soconusco; no information found on region of same name)
found: Voorhies, B. Ancient trade and tribute : economics of the Soconusco Region of Mesosamerica, 1989.
found: LC data base, 7/5/88(Soconusco)
found: Web. geog.(Soconusco, peak, but not region)
found: Britannica academic, via WWW, viewed July 19, 2016(Soconusco, region, southwestern Chiapas state, southeastern Mexico, extending northwest from the border of Guatemala)
found: Chiapas (Mexico). Governor (2006-2012 : Sabines Guerrero). Decreto Número 143, 2011? via WWW, viewed July 19, 2016:PDF p. 1 (Decreto Número 015 of 2010 reformed the Ley Orgánica de la Administración Pública del Estado de Chiapas, to provide for the existence of 15 economic regions) p. 3 (Región X. Soconusco)
found: Coerver, D. Mexico, 2004, via WWW, viewed July 19, 2016:under Chiapas (State): (the Pacific coastal plain of Soconusco)
found: Enciclopedia de los municipios y delegaciones de México, via WWW, viewed July 19, 2016:Chiapas (Región VIII.--Soconusco; the 118 municipios that comprise the state of Chiapas are grouped into 9 economic regions; this administrative model dates from the early 80's and its purpose was to establish 9 foci of development that would promote planning on the basis of decentralization)
found: Gobierno del Estado de Chiapas WWW site, viewed July 19, 2016:gobiernos municipales > ordenar por: regiones (Región X. Soconusco)
found: Plan Estatal de Desarrollo Chiapas 2013-2018, 2013, via WWW, viewed July 19, 2016:p. 19 (the state is divided into 15 socioeconomic regions: ... X Soconusco [etc.])
