who mapped the texas coastline for the spanish
The person who mapped the Texas coastline for the Spanish was Alonso Álvarez de Pineda.
The person who mapped the Texas coastline for the Spanish was Álvar Núñez Cabeza de Vaca. He was a Spanish explorer and one of the survivors of the ill-fated Narváez expedition. Cabeza de Vaca and his companions, after shipwrecking near present-day Galveston, Texas in 1528, ended up trekking across Texas and parts of North America for many years. During their journey, they encountered various native tribes and explored the Gulf Coast region, which included mapping the Texas coastline.
To find this information, you can use a search engine like Google and search for "explorers of the Texas coastline under Spanish rule" or "Spanish exploration of Texas coastline." You will likely find references to Álvar Núñez Cabeza de Vaca and his role in mapping the Texas coastline during his arduous journey. Additionally, you can also refer to historical books, journals, and scholarly articles that discuss Spanish exploration in Texas during that time period.