Notas de Geologia de Venezuela

The Devonian System in Western Venezuela. Norman E. Weisbord 1967 International Symposium on the Devonian System, Alberta, Canada, 2: 215 – 226. All my gratitude to Jhonny Casas for been so kind to share this important reference. You can download complete PDF version at / Puedes bajar la versión completa en PDF en: https://mariantoc.github.io/stratigraphy.html#WeisbordNE1967