https://www.kpcw.org/tags/john-ross John Ross en-US Copyright Tue, 30 Apr 2019 17:12:39 GMT https://www.kpcw.org/public-affairs/2019-04-30/this-green-earth-april-30-2019-john-ross In the second half of the program, author John Ross talks about his new book, The Promise of the Grand Canyon: John Wesley Powell’s Perilous Journey and… Tue, 30 Apr 2019 17:12:39 GMT https://www.kpcw.org/public-affairs/2019-04-30/this-green-earth-april-30-2019-john-ross Chris Cherniak, Nell Larson