amanda demmer, we appreciate your time. amanda demmer: thank you for having me. you are watching american history tv, 48 hours of programming every week. follow us on twitter for information on the schedule of upcoming programs and to keep up with the latest history news. >> all weekend long, american history tv is featuring grand junction, colorado. the city used irradiation to develop one of the earliest industries, fruit farms. it is still a major part of the city. together with our charter we haveations partners, visited many sites exploring the history. learn more about grand junction all weekend on american history tv. >> when you look at the history of the american west, ontr

amanda demmer of the university of pennsylvania, we appreciate your time. ms. demmer: thank you for having me. the c-span and on networks, politics, books, and american history. on c-span tonight at 8:00 p.m., speeches by two republican presidential candidates. first, scott walker. then, bobby jindal at the national press club. sunday at 6:45 p.m., to profile profiles. first, george pataki. then, rick santorum talks about his time in congress, is 2012 presidential run, and why he is running a.

amanda demmer, we appreciate your time. amanda demmer: thank you for having me. you are watching american history tv, 48 hours of programming every week. follow us on twitter for information on the schedule of upcoming programs and to keep up with the latest history news. >> all weekend long, american history tv is featuring grand junction, colorado. the city used irradiation to develop one of the earliest industries, fruit farms. it is still a major part of the city. together with our charter we haveations partners, visited many sites exploring the history. learn more about grand junction all weekend on american history tv. >> when you look at the history of the american west, one trend that is seen all over in every little mining town, ranching community, any you could imagine in the west, we tend to see boom and bust economies. and we see that in western colorado, especially right here in grand junction, colorado, one of the first boom busts we see in the area was copper mining. when the expedition passed through the area in 1870's, there was a lot of copper i

amanda demmer of the university of pennsylvania, we appreciate your time. ms. demmer: thank you for having me. the c-span and on networks, politics, books, and american history. on c-span tonight at 8:00 p.m., speeches by two republican presidential candidates. first, scott walker. then, bobby jindal at the national press club. sunday at 6:45 p.m., to profile profiles. first, george pataki. then, rick santorum talks about his time in congress, is 2012 presidential run, and why he is running again. on c-span2, on booktv, tonight ashill. p.m., jack c sunday at 9:00 p.m. on "afterwards" amy klobuchar talks about her life and political career. on american history tv on c-span 3, tonight at 8:00 in "lectures " paul christopher anderson teaches a class on how south carolina confederates viewed reconstruction in the wake of the civil war. he discusses how some white southerners justified and romanticized their defeat. and, sunday at 2:00 p.m., loving versus virginia pulled it was unconstitutional to prohibit interracial marriage. peter wallenstein examines the of lovi