Intro to Geology of Texas and the Coastal Bend by Greg Simmons—Gain insight into the geologic history of Texas, particularly over the last 150 million years. Learn to recognize geologic names and understand the geologic processes that affect our daily lives. Where do our oil and gas resources come from? Our ground water? What are our crops and range lands growing on? What are our houses build upon? And where do our natural building materials come from?