San Benito was built on the banks of a dry riverbed of the Rio Grande, called a resaca. Long ago, Coahuiltecan Indians made their home here, and Spanish land grant ranches flourished in the 1700s. The arrival of the railroad in 1904 brought a diverse group of pioneers from the Midwest in search of cheap and fertile land. These early settlers, together with descendents of Spanish colonizers, began an agricultural community. During his engineering surveys...