History of the Galveston Bay Area build confidence in the safety of the port. One of the most immediate effects of the dike, however, was to increase the salt levels in West Bay, between Galveston and the southwest coastline. Major tracts of the Allen Ranch were liquidated opening up new development around Pasadena and other bayside communities. Commercial fishing for oysters and shrimp grew as a significant area industry. The lumber industry also continued to grow. A sugar refinery opened in Texas city, a paper mill in Pasadena, and other factories in the early 20th century. Following the petroleum discovery at Spindletop (roughly from Galveston Bay)
Galveston Island would hold until nearly the end of the 19th century. Galveston for a time before the American Civil War was the largest cotton shipping port in the world and the second-largest port for immigration in the United States. In the mid-19th century, it was a major port of entry for the many Germans who entered the state. During the Civil War, the Union army seized control of the island from the South for a few months during early 1863. Confederate forces commanded by John B. Magruder expelled them from the island, and the Confederates controlled it for the remainder of