sentences:  From then to the 15th century, they expanded their territory and influence from the Tuxpan River to the Pánuco with most settlements along the banks of the Huayalejo-Tamesí River, along the northern Veracruz and southern Tamaulipas coast and west into the Sierra Madre Oriental.The culture was influential even farther west into northern Querétaro, and there may have been Huastec settlements into what is now northern Puebla.Notable settlements include El Tamuín in San Luis Potosí, Yahualica and Huejutla in Hidalgo, Tzicóaxc on the Veracruz/Puebla border as well as Tuxpan, Temapache, Pánuco, and Tanhuijo in Veracruz.