and what they did is they came out to padre island. what made it ideal for cattle ranching was that you didn't need a fence for most of it. you had water on most of the sides of the eye lend. patrick dunn came out here and he was so successful he ended up owning most of the northern part of padre island and he would have his cattle out here he would have cowboys out here. and he would have his cattle all over the land. you think about how do you get the cattle to market? so around 1900 into the teens, into the '20s what would happen is he would have these three stations, and they're called line camps. they would actually certain times of year they would bring the cattle starting in the south, bring them to those line camps, and the cattle could be if you went from sun up to sundown you could get those cattle to go about 15 miles. so there are three line camps, and they're all about 15 miles apart. how were these line camps built? if you look around me you'll see there's no trees. there's almost no trees on this island. it's amazing. th

what they did is they came out to padre island. what made it ideal for cattle ranching, even if you didn't have the barbed-wire was that you didn't need a fence for most of it. you had water on moats sides of the island. patry done came out here, and he was so successful -- patrick dunn was so successful he ended up owning most of the northern part of padre island. he would have the cowboys out here, and he would have his cattle all over the land. you think about how do you get those cattle to market? so around 1900 and into the teens and 20's, what would happen is he would have these three stations. they are called line camps. what they would do is at certain times of year, they would bring the cattle to the line camps. if you went from sun up to sundown, you could get those cattle to go about 15 mines. so there are three line camps, and they were all 15 miles apart. how were they built? if you look around, there are almost no trees on this island. there is one forest, it is the size of a car and the trees are about this tall. with

what they did is they came out to padre island. at made it ideal for cattle ranching, even if you didn't have the barbed-wire was that you didn't need a fence for most of it. you had water on moats sides of the island. patry done came out here, and he was so successful -- patrick dunn was so successful he ended up owning most of the northern part of padre island. he would have the cowboys out here, and he would have his cattle all over the land. you think about how do you get those cattle to market? so around 1900 and into the teens and 20's, what would happen is he would have these three stations. they are called line camps. what they would do is at certain times of year, they would bring the cattle to the line camps. if you went from sun up to sundown, you could get those cattle to go about 15 mines. so there are three line camps, and they were all 15 miles apart. how were they built? if you look around, there are almost no trees on this island. there is one forest, it is the size of a car and the trees are about this tall. withou

padre island's national seashore is the longest stretch of undeveloped area in the world. spain, mexico, and the united states all claimed ownership of the island of different times. together with our time warner cable partners, c-span city to her staff recently visited many sites, exploring corpus christi's rich history. learn more about corpus christi all weekend here on american history tv. >> born in mexico, dr. hector p. garcia called corpus christie home. he founded the american gi forum and became an advocate for mexican americans rights. we visited the mary and jeff l library in corpus christi to learn more about dr. garcia's work. >> we have a variety of materials illustrating different phases of his life and career. he is best known as the founder of the american gi forum. that was established in 18 48th, not too long after his return from his service in world war ii. it was created to assist mexican-american veterans in their struggle to return to normal life after their war service. he is recorded as having said that he felt especially suited to do that work be