The changing patterns of land use in the American West, and problems of land use planning and growth management, will be examined in a talk by University of Colorado at Â鶹ӰԺ geographer William Travis on April 26. Travis, author of the newly released "New Geographies of the American West: Land Use and Changing Patterns of Place," will speak at 6 p.m. in Eaton Humanities Building room 150 on the Â鶹ӰԺ campus. A book signing and reception will follow the free, public lecture.