Acknowledgements
Thanks are due to Ann Grant for the English revision of the manuscript, to Ma. Guadalupe Lira for assisting us in the compilation of material and references, and to Ma. Guadalupe Cazares for helping in the preparation of the manuscript. Juan Pulido received a CONACYT PhD scholarship. The second author received field work support from a UNAM project (code 25-IN301914 “Pequeñas localidades y redes de estructuración territorial en lo remoto” [Small settlements and territorial networks]). Two anonymous referees are acknowledged for constructive criticism to the original version.