Keywords: Naolinco Volcanic Field.jpg The Naolinco volcanic field consists of a broad area of scattered Quaternary pyroclastic cones and associated dominantly basaltic lava flows north of the city of Jalapa in Mexico http //www volcano si edu/world/volcano cfm vnum 1401-095 volpage photos photo 075031 1999 Lee Siebert Smithsonian Institution PD Smithsonian Institution is administered by the U S government Photos taken by Smithsonian Institution's employees are thus without restriction confirmed by Mr Edward Venzke from Smithsonian Institution PD-USGov Volcanic fields of Mexico Volcanoes of Mexico Geography of Veracruz Panoramics in Veracruz Pyroclastic cones Crater rows Pyroclastic cones of Mexico |