Robert R. Alvarez, Jr. is Associate Professor of Anthropology at Arizona State University.

• PhotographsMapsForeword by Renato RosaldoPreface and AcknowledgmentsIntroduction1The Historical and Geographic Background of MobilityThe GeographyThe ClimateDiscovery and Settlement2Nineteenth-Century Developments: The Socioeconomic Context of MigrationForeign Interests and the Development of MiningThe Porfiriato: Foreign Concessions and the Mining Economy, 1870-1900The Development of the Frontera3The Social, Geographic, and Temporal Basis of Network FormationCalmalli: The Mining Circuit and Early Formulation, 1880-1910Calexico and San Diego: La Frontera and Early Formalization, 1910-1930San Diego-Lemon Grove: Florescence, 1930-19504Calmalli: The Mining Circuit and Early Network Development, 1880-1910Calmalli: The Geographic NexusThe Characteristics of the Baja NetworkNorth to CalmalHCalmalH: The Social NexusNorth to the Frontera: A Period of Transition5San Diego and Calexico:The Frontera and Early Network FormalizationParentesco: A Regionally Based KinshipLa Frontera: A New EnvironmentThe Border and ImmigrationSan Diego, 1900-1920: The Early Steamship MigrantsThe Second Stream: The Twenties and Thirties6San Diego-Lemon Grove: Florescence, 1930-1950Calexico to San DiegoThe Frontera Towns: Geographic and Family ConnectionsThe Processes and Mechanisms of Network Formation7Epilogue8ConclusionAppendix:Original Spanish Field NotesNotesBibliographyIndex

Robert R. Alvarez, Jr. is Associate Professor of Anthropology at Arizona State University.

• PhotographsMapsForeword by Renato RosaldoPreface and AcknowledgmentsIntroduction1The Historical and Geographic Background of MobilityThe GeographyThe ClimateDiscovery and Settlement2Nineteenth-Century Developments: The Socioeconomic Context of MigrationForeign Interests and the Development of MiningThe Porfiriato: Foreign Concessions and the Mining Economy, 1870-1900The Development of the Frontera3The Social, Geographic, and Temporal Basis of Network FormationCalmalli: The Mining Circuit and Early Formulation, 1880-1910Calexico and San Diego: La Frontera and Early Formalization, 1910-1930San Diego-Lemon Grove: Florescence, 1930-19504Calmalli: The Mining Circuit and Early Network Development, 1880-1910Calmalli: The Geographic NexusThe Characteristics of the Baja NetworkNorth to CalmalHCalmalH: The Social NexusNorth to the Frontera: A Period of Transition5San Diego and Calexico:The Frontera and Early Network FormalizationParentesco: A Regionally Based KinshipLa Frontera: A New EnvironmentThe Border and ImmigrationSan Diego, 1900-1920: The Early Steamship MigrantsThe Second Stream: The Twenties and Thirties6San Diego-Lemon Grove: Florescence, 1930-1950Calexico to San DiegoThe Frontera Towns: Geographic and Family ConnectionsThe Processes and Mechanisms of Network Formation7Epilogue8ConclusionAppendix:Original Spanish Field NotesNotesBibliographyIndex

Robert R. Alvarez, Jr. is Associate Professor of Anthropology at Arizona State University.

• PhotographsMapsForeword by Renato RosaldoPreface and AcknowledgmentsIntroduction1The Historical and Geographic Background of MobilityThe GeographyThe ClimateDiscovery and Settlement2Nineteenth-Century Developments: The Socioeconomic Context of MigrationForeign Interests and the Development of MiningThe Porfiriato: Foreign Concessions and the Mining Economy, 1870-1900The Development of the Frontera3The Social, Geographic, and Temporal Basis of Network FormationCalmalli: The Mining Circuit and Early Formulation, 1880-1910Calexico and San Diego: La Frontera and Early Formalization, 1910-1930San Diego-Lemon Grove: Florescence, 1930-19504Calmalli: The Mining Circuit and Early Network Development, 1880-1910Calmalli: The Geographic NexusThe Characteristics of the Baja NetworkNorth to CalmalHCalmalH: The Social NexusNorth to the Frontera: A Period of Transition5San Diego and Calexico:The Frontera and Early Network FormalizationParentesco: A Regionally Based KinshipLa Frontera: A New EnvironmentThe Border and ImmigrationSan Diego, 1900-1920: The Early Steamship MigrantsThe Second Stream: The Twenties and Thirties6San Diego-Lemon Grove: Florescence, 1930-1950Calexico to San DiegoThe Frontera Towns: Geographic and Family ConnectionsThe Processes and Mechanisms of Network Formation7Epilogue8ConclusionAppendix:Original Spanish Field NotesNotesBibliographyIndex